{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "874730136",
    "entityType": "User",
    "nonce": "0xb0ccfaf349e20916818a33fde9e0ea3f9406620dac79be0f2ca24bd226c5a4b7",
    "signature": "0xca0713d67fd840be701fabe8eb8d782cf720470219193af495d9824a6ac4776e442daca6bf6ae525ba659318f332cba629f1cb62e6fb5993ae44c2793e553d621c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}