{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xae394741b60ec9f4b8261114d4e87cc4ea04bac9ce53e8ccc2952849edf6bc0f",
    "signature": "0x80f42362b677760cefe4e612dde92df452964a0fb091418b3f80e54d5176a88178ed5bd85a0b764e91fcc1ca3337eb3816e961a299d9e54a8d58b346b602f3fc1b",
    "signer": "0x60a876F6de155a67B3fac79086CF83F792066242",
    "userId": "954818868"
  }
}