Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwCjPQJOCG67JA3EKbQchb/ztMj49uAnF2Bk8x9JVQumZyDqMaLZ1Zows3u+… (844 chars)"
  }
}