{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xfc778afa72a78cb9eb48b97b76c693ba80bf8a5615da6341c7787fb74bfd5f9b",
    "signature": "0x397356a9efaeecf4a29bd7b62c35558407a6bbb73f0af91b013c6aeeb351608348ca3f41e0f3aebfcf4a4f7e380a61afce386407e059c8fa97eb85d8ca0eb52c1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}