{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "326837",
    "entityType": "User",
    "nonce": "0x3d9b426407d8f9b620c4a9135df29009de5f2e1f9145694d11bbcacca7e3fa8e",
    "signature": "0x24fafba90753d06e0e5a56e8c16b9f1ac0bf749828ead860899bd3d23979d59e041ed046107092e7c54e34321d05c31b76f6aacd4746dd3a842a29e8d75671321c",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}