Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwFmOEd8FFZ+cRpQJSp+XTLaG763cXmci2D9cJXrB8TCuR0w0KpqsekO2Xyv… (844 chars)"
  }
}