{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xa535080db8717b527579d3efb6dab33c94be316bf375a0b0f9061b4cae599b50",
    "signature": "0x852e685feb940711d1612e5e337ae68cff62f440a355c6bbda4bfc80e5a962824a44cf34d007b53ac1f274bd98a6c42b524a285008993d169c249b321f433d2f1c",
    "signer": "0x9acF8CBE8f2B0d51e756C58D6d1f946A8757602F",
    "userId": "428941685"
  }
}