{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297376",
    "entityType": "User",
    "nonce": "0xb8dcc28a839c88bd6db952c53a64aae6fcddce9ac19beb50d176c85340cd1fe7",
    "signature": "0xc4a16ff46bd65c2ac6f7ef19e910292a64a6be8a032e60ec4a3cf3aec5ad3a144b2f4af90eec64d5987b6541a71507fab5af7dc7086a6470876f7824b528e66d1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}