{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "344793",
    "entityType": "User",
    "nonce": "0x943586400a126433065b2196c58d07bb280dea6b47320d45326a9dd5fe69d80a",
    "signature": "0x9654789cec8e898ea484436c76486c0297d7328e2fb4b9d5d19fc1a902f911446bbac18a2c4c5621623fc64f6dfade49aed87c8766a1551701f422f87a6ed7dd1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}