{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "912339",
    "entityType": "User",
    "nonce": "0x5ef5b55c67cb0f063917fb66319818f7b872c4f2357ccccd56f7fad0318f7105",
    "signature": "0x55d0fbc7a1cd61d96e8b04e96d85ab17cdc250479f53e72104a6db80dc3a6a2768836d0504c91d268b8a69f32cc4cd63782a39142e0a84be758f9b3360a668371b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}