{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "801898123",
    "entityType": "User",
    "nonce": "0x8d4c8a6f7df6b77b9f1e8421aefb0cb6df18bca2f4964700df6a4b501f1757f4",
    "signature": "0xfb1151d38dbed19c092660ae09aa097f4bbdce75d91fbc9795a09cee867c29794a0c3b4c0fed51f1f492fdba28a5a7e34b9273bfb97fb25df9bcfab8004afe501b",
    "signer": "0x1762311451f81FD83EF02A8dAE43855C5ce1713B",
    "userId": "613326373"
  }
}