Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwDPXnYPBpN1KFEGmBR1LH9PbTE6O0yS3U/BIkT0Qq6f/yssoWyPX81tANQg… (844 chars)"
  }
}