{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176232909",
    "entityType": "User",
    "nonce": "0x9dfeb473a3d79fd0f8d4300ebfedcbc3a1f6973d9228689e59e7eed6c8287202",
    "signature": "0xba2fd97572803846c422e9e902c252b5aba69877ccfdbaf85e4af0f08edaa812173f4912f6040c8ee64dbd334699b7cd650649bb0435878a6476118170fa3edc1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}