{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x8ad93286a3856c5f5eaa00068f7b541af2478acc4954f3b61263a6dca9e1fb02",
    "signature": "0x07ded8d0a5f66845a787aa012497595e80b69b8aeef63c4fd7a882dc5835261f763b9932852c400e6dd83797c70429b5adb238947902df2401317b211e0a08901b",
    "signer": "0xF8d80ebA925124C0B26A5df9714fc71941B1B0e8",
    "userId": "917529564"
  }
}