{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74210",
    "entityType": "User",
    "nonce": "0x9c6948f72aab8c05d0fed8de02bbf3fe364bed7a04be328786e0716871bd81f3",
    "signature": "0x38df0726d7ca519dfd6892d4e69f5d4cb8d2ea75964a203859072ead3d7908b711c703e343671d8e74ab31d917573c9c930c7ca6bc0c73c0cee06c6e393bc4081b",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}