应用: 抖音
任务: 开启抖音，转到个人信息页，更新签名至‘静水流深，岁月无声。’
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: TYPE
type_text: 静水流深，岁月无声
step_id: 6
action: CLICK
step_id: 7
action: STOP