Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDJwgq+YR/9Oyl0Lh743CoR7PbQkPh9POKxr9k1s2OlDQvUQxrB+1uo5RmM… (844 chars)"
  }
}