{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82938566",
    "entityType": "User",
    "nonce": "0x59c6ec329bff5763192d6ecd9ecacedcd029abb2fe646e6a71efddf909a13396",
    "signature": "0x07647630e76fb46f453e26c053b0336010bdd9aa03d6db7ba24dcbab9d17fd336b4cf3696fe152f88e2256497d2df9d7eac26bf80e17e6d830e068016178167a1c",
    "signer": "0xd708949D0521A856Ca6eB44B4112bAEE59741ADD",
    "userId": "490478463"
  }
}