{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "317646141",
    "entityType": "User",
    "nonce": "0x5d523865ddef3b1e6edbce1584281ab125451786742b79441539aa1f161042ed",
    "signature": "0xaf2c12300afd0abc2a0fc5e1ebb4d4339379346938ea2464ceb239d49a15e0dd61d70bc6e0997e3da7fd36edd72347dd7f485520b29e3ebc46ca5da00781d46e1c",
    "signer": "0x61aC959C6029A2Cba66cD6B9AD35c9d7120DC52c",
    "userId": "313708333"
  }
}