{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "117827",
    "entityType": "User",
    "nonce": "0x4405a34a9bf4a800173eb89aa3cd1aa0ed1605ace435a1e5f6f5596694f303ac",
    "signature": "0xb27fd1e9889e1d51f0420c9407e2792112dedb0ecf20de0dbcc5194e591a7c191624b9cc2faef97fc4e87961a3c26c78033ebc7b7ad6a70d0f8bc966fee9ef041c",
    "signer": "0xFf2437389375Ba241D046fEb32cdfb9e1B3f4Cc3",
    "userId": "920962897"
  }
}