Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBCiVS5RaLL80vJqFxQmB1tHzGSBBGXsrfIQP5n7LXTSWqggYIQ9/5EsPVh… (844 chars)"
  }
}