{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "467267",
    "entityType": "User",
    "nonce": "0xb3b0cd36547ff520aa2f3c20a4db8a66d969bab42255a9affb9ef4b8dbb1e29c",
    "signature": "0x0465f5d1826b4d76b0e1ac1aad6da0658f0794befdd1ab29dcc8c6400cdda42e143157d28cc0def2db852d4cbaf6129e8f9708ffeab4b7ffc0cf70da7e584b5e1b",
    "signer": "0xdEc12eC3F7972dB51907501aF18eb17FBa37a413",
    "userId": "211416595"
  }
}