{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176201",
    "entityType": "User",
    "nonce": "0xfff51fc04b03c558fc422def830f3dc9a67e213aa614ae8d251e428229618495",
    "signature": "0x4ccdcb08cbdabb4aa2029cd3bbb9552af8ee0a63259b3c11ee1597367af4348f7bf0636948e069e8f77af1609a2c28e78ec03dffbd8fce18b82af09b695a33121c",
    "signer": "0x3CEbf9bfE1b24355cBC348701860d601E226Dfbb",
    "userId": "172240066"
  }
}