{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "120253",
    "entityType": "User",
    "nonce": "0xc0bff98bdc1e3c44584612bb79fcb25c90a6a474a6be9bd625744d81a13d9979",
    "signature": "0xb3ec30b544bd860aa5bb598c10221a56776e4bf20c11f4bcd47d1eaa1e42be6f1c937eb463f16bb06cced640918e1cf6c380cb52243e83c4fadabcde921cc5611b",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}