Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGLUYGB/WHBU78nLks/k5+l7zVcgHLUH1nS+OP8hOJgFWwzTwWbKJPKBj2T… (844 chars)"
  }
}