{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "925149974",
    "entityType": "User",
    "nonce": "0x4629899966d89126aaebbdf67e1575850e952513b329e3c2cde5d5139b4b8320",
    "signature": "0x29f05907e6d11576acebee4c243008ce8ad9f6234d7bb4fa8e2212a9e9e8e99f2452a4630d5ba9af98d335114eb0b7e74e835d9407aab5d49fd95033d643ea471b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}