Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGY+XhUnTv9QVWUu1Wx5Ebqc8MSBDtDBeXVnyrv71CxCTkB2zQ0iNHdWMxH… (844 chars)"
  }
}