{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "881446128",
    "entityType": "User",
    "nonce": "0x134331dfdaee100032b3a7fc41e3b6b3bea4ffc7bb6a5e9e64656ff6b09d9577",
    "signature": "0x9211e8762345207ed0f3eb3c7c401f808e6d7bad7f40c4228ad48de995dcfe8566ca27289f5ee2e3c74e8629269aa01e7b8481c3bf659fc472554d6fad5eb47e1c",
    "signer": "0xa26d3Cc8D0F05E79596837bc13c4Cebc9Ac08933",
    "userId": "421871922"
  }
}