Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDT4kA0S9EwAi3xbG0ccvumDEbVnHh+2HF2uwsD6UJm7kOiFR2d1Nz2LItz… (1,748 chars)"
  }
}