{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "741468",
    "entityType": "User",
    "nonce": "0xfc06152adf4f791fcfd33f74510ac0d45d3e5b45bfcfd1e815bf95cb7cc81a52",
    "signature": "0xe88a8e77089da0e4693ae187710ddae83e1517dc42f8398fa9db0efda5f243ca647293b58e1aea84583a8277a303a8533c82fabd66108ef3d14fd7e3e2846ecd1b",
    "signer": "0x5286a74dCE491bf2bEb89a23961cBbDD545E81CD",
    "userId": "794331666"
  }
}