Task: Merged API results WIP

n8n workflow JSON:
{"id":"1","name":"Vino Order Akash","nodes":[{"name":"Webhook","type":"n8n-nodes-base.webhook","position":[350,100],"webhookId":"06541d04-4c40-4b77-89cf-b413fb465ef8","parameters":{"path":"order","options":{},"httpMethod":"POST","responseMode":"lastNode"},"typeVersion":1},{"name":"Discord","type":"n8n-nodes-base.discord","position":[1320,60],"parameters":{"text":"=request:\n{{$json[\"body\"][\"signedMessage\"]}}\nsignature:\n{{$json[\"body\"][\"signature\"]}}\naccount:\n{{$json[\"body\"][\"account\"]}}","webhookUri":"https://discord.com/api/webhooks/{{yourDiscord}}?wait=true"},"typeVersion":1},{"name":"Notion","type":"n8n-nodes-base.notion","position":[1320,210],"parameters":{"resource":"databasePage","databaseId":"{{yourNotion}}","propertiesUi":{"propertyValues":[{"key":"ID|title","title":"= {{$json[\"body\"][\"nftList\"]}}  ->  {{$json[\"body\"][\"email\"]}}"},{"key":"Signature|rich_text","textContent":"={{$json[\"body\"][\"signature\"]}}"},{"key":"SignedAddress|rich_text","textContent":"={{$json[\"body\"][\"shippingAddress\"]}}"},{"key":"NFTs|rich_text","textContent":"={{$json[\"body\"][\"nftList\"]}}"}]}},"credentials":{"notionApi":"{{yourNotionCreds}}"},"typeVersion":1},{"name":"TEST Request","type":"n8n-nodes-base.httpRequest","position":[530,-80],"parameters":{"url":"http://{{yourAkash}}.ingress.ewr1p0.mainnet.akashian.io/webhook/order","options":{},"requestMethod":"POST","bodyParametersUi":{"parameter":[{"name":"signedMessage","value":"PLEASE VERIFY YOUR ADDRESS (physical and wallet)!\\nYour data is only sent to us and will never be shared publicly.\\nme@foo.nu\\nETH Wallet: 0xAfaC41C116F7cccccc4520a112456e\\nTimestamp: 2021-06-18T11:33:10.369Z\\nNFT IDs: 14"},{"name":"signature","value":"0x072bd37fe5967a7f6d8930c470ea9a5a1dd48afb5816d388def7ad3c503d0f04241e7f9a3d1234fb12fa7c1dc9e0eadd5c3e9f16473b5607c83a63aae8f2fc1e1c"},{"name":"account","value":"0xAfaC41C116F7bccccc520a112456e"},{"name":"nftList","value":"[14]"},{"name":"email","value":"me@foo.nu"},{"name":"shippingAddress","value":"123Overthere\\nme@foo.nu"}]},"allowUnauthorizedCerts":true},"typeVersion":1},{"name":"IF1","type":"n8n-nodes-base.if","position":[720,100],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"body\"][\"email\"]}}","value2":"@","operation":"contains"}]}},"typeVersion":1},{"name":"IF2","type":"n8n-nodes-base.if","position":[900,100],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"body\"][\"signature\"]}}","value2":"0x","operation":"contains"}]}},"typeVersion":1},{"name":"Set All OK","type":"n8n-nodes-base.set","position":[1110,80],"parameters":{"values":{"string":[{"name":"signature","value":"={{$json[\"body\"][\"signature\"]}}"},{"name":"shippingAddress","value":"={{$json[\"body\"][\"shippingAddress\"]}}"},{"name":"nftList","value":"={{$json[\"body\"][\"nftList\"]}}"}]},"options":{}},"typeVersion":1},{"name":"Invalid Address","type":"n8n-nodes-base.set","position":[650,240],"parameters":{"values":{"string":[{"name":"result.error","value":"Invalid Address"},{"name":"result.address","value":"={{$json[\"body\"][\"account\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"IF address OK","type":"n8n-nodes-base.if","position":[530,100],"parameters":{"conditions":{"string":[{"value1":"={{$json[\"body\"][\"account\"]}}","value2":"0x","operation":"startsWith"}]}},"typeVersion":1},{"name":"Invalid Email","type":"n8n-nodes-base.set","position":[840,240],"parameters":{"values":{"string":[{"name":"result.error","value":"Invalid Email"},{"name":"result.email","value":"={{$json[\"body\"][\"email\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Invalid Sig","type":"n8n-nodes-base.set","position":[1030,240],"parameters":{"values":{"string":[{"name":"result.error","value":"Invalid Signature"},{"name":"result.signature","value":"={{$json[\"body\"][\"signature\"]}}"}]},"options":{},"keepOnlySet":true},"typeVersion":1},{"name":"Set Response","type":"n8n-nodes-base.set","position":[1580,20],"parameters":{"values":{"string":[{"name":"discord","value":"={{$json}}"}]},"options":{},"keepOnlySet":true},"executeOnce":true,"typeVersion":1},{"name":"Merge","type":"n8n-nodes-base.merge","position":[1820,120],"parameters":{"mode":"multiplex"},"typeVersion":1},{"name":"Set Response1","type":"n8n-nodes-base.set","position":[1580,230],"parameters":{"values":{"string":[{"name":"notion","value":"={{$json}}"}]},"options":{},"keepOnlySet":true},"executeOnce":true,"typeVersion":1}],"active":true,"settings":{},"connections":{"IF1":{"main":[[{"node":"IF2","type":"main","index":0}],[{"node":"Invalid Email","type":"main","index":0}]]},"IF2":{"main":[[{"node":"Set All OK","type":"main","index":0}],[{"node":"Invalid Sig","type":"main","index":0}]]},"Notion":{"main":[[{"node":"Set Response1","type":"main","index":0}]]},"Discord":{"main":[[{"node":"Set Response","type":"main","index":0}]]},"Webhook":{"main":[[{"node":"IF address OK","type":"main","index":0}]]},"Set All OK":{"main":[[{"node":"Discord","type":"main","index":0},{"node":"Notion","type":"main","index":0}]]},"Set Response":{"main":[[{"node":"Merge","type":"main","index":0}]]},"IF address OK":{"main":[[{"node":"IF1","type":"main","index":0}],[{"node":"Invalid Address","type":"main","index":0}]]},"Set Response1":{"main":[[{"node":"Merge","type":"main","index":1}]]}}}