{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "348198680",
    "entityType": "User",
    "nonce": "0x1e34b2de1979e8600d8bd04e084617377a86d66cc7e434ac1d26a6c1eb155764",
    "signature": "0x2163f073289dbeba18c091908e6d07dd582bef038d779c995f1d7a251b043138587f78dabd57c694d6a5c13e7aadece669c0c333f294a7e012703d80ad071f871c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}