{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17480",
    "entityType": "User",
    "nonce": "0x282769e8e89a4add5431ecdcd7d6c95a593b84cfef43da0f3fc6e9f3b99482e5",
    "signature": "0xdb0c4b88845f1b19f5fc6d848c5cb2246201b4e123845ea0f00cbd25f206d24d0a264c73cdd9d7390df6ef39558e4b06b516136fbcdacacc88be1568444e3f9c1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}