{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "54741",
    "entityType": "User",
    "nonce": "0x49fd306acec6ae64ea4883884b4c30cb0aa10961d9b2068c4743ddacfef738fd",
    "signature": "0x50dd542e596c4533c808ed345a3e630bd61ac5b1ab042f556bee5fb9174d645d2cc6bfa446dd081ec52ae569b205c743b215aac6c7ff263ad500742ee3f196761c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}