{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x386598e673289500f5e32d841d269b3d30712cfe91e91c5ff26646f179366d58",
    "signature": "0x9962875c983571186a714825b74718f416e7d9b3aed5da1f86e3bf9906cb577834bd583308b8654707f1b8a865b71ac45056f23fcafdfe0b73545944fae8ff6c1b",
    "signer": "0xcdc1772589e70ee6667FAaC93E3F0CcD5BFDa2aE",
    "userId": "354908"
  }
}