[FIX] USD deposit: fix some text
Merge pull request #1690 from annatonger/fix/usdtext

[FIX] USD deposit: fix some text
[FIX] txQueue: Store tx_json instead of the serialized object

Allows to handle sequence number calculations during the transaction submission.
Merge pull request #1691 from vhpoet/release

[FIX] txQueue: Store tx_json instead of the serialized object