Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGNxSj4GGDrLY+UWNRa6gZEGgK3GBQYXfVuH5h+2HkNvGLakPLG7xrPTRlL… (844 chars)"
  }
}