Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDa+jCFBVDnqdmrLVpLGTvDMmlRP+JurFvA+Beg9FE5wFQ1IowN6YRZSqX9… (844 chars)"
  }
}