{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5248",
    "entityType": "User",
    "nonce": "0xbe37f27be3802965217ab152607855f9555731e0d42bc0049e958c2d23735eb3",
    "signature": "0xeb95e082f783be1e10c963bf250bab89284205ac04b07d04e37424a1ea78da1c607ac48698145360a8ce9d81a6adf6d75a6ef568469be7745eb938dea07fb7521c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}