Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDCYiqlg+3aqAVr7p6ZXB/mMe2R9YzumhB6u2SVQbHR/Wd63WGHuTvORNGE… (1,748 chars)"
  }
}