{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "990052786",
    "entityType": "User",
    "nonce": "0xc48380afe4e32c9bc737d907b5e7790567e4f79297953a98ae92b1670cfd8b56",
    "signature": "0x896faee590f9d5643dbf5c2ce9be067f1559cde2504ab11bcb4d333330e35d972668f62ca730424e16906eb49633617d3ea6353ced42974e8db936cedac6a3df1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}