{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "56078",
    "entityType": "User",
    "nonce": "0xe5f71db5084320059ab5164b04ee0916d0d12de36c736ad47e62071344177128",
    "signature": "0x5a441a741ad9dba8ebc643d43c85b47182366a027b8b5a7eae953f82c17f7e2731539005885838b33245afe18d4d097c46a92ac59cbf47a86d33142180c333a61c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}