{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "346822",
    "entityType": "User",
    "nonce": "0x4a8bc4de0c84461f23249cb9a0f7e184f120962928040ce59d6f221c59e6b077",
    "signature": "0xbbc5b18acb7d7c87eb6ff9fba4bf33d626513bda108424f6778c9c469c35c66036a7029545b472447a6d81881f5067407337b29eb01c6e28f2c347ee0e9e1c161c",
    "signer": "0x65284b16c6C99f85DECF97dEA10cB715d52BfdDc",
    "userId": "533692254"
  }
}