Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCGJEtFvwpwbdL9rujYODvdzETPNR1Rcj2OjwgrbZoQF3VF7GFKQLW6ry1P… (844 chars)"
  }
}