{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0xb085b3d02f90d9350a8d7fb1a896eb4ed860fcd6f8f9833cd209f2575979c2e2",
    "signature": "0xce5c088b9e1989c0f660c47ac81aa9b1456cc2dae0ffd4e21364edb50c4bc73d6a39202a33ef74cae920bdb9c2d9e0225fc9d87eb4f83780e183b84977e18a501c",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}