Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDtXtlv0OMiEN9lOKpPDiRl/+MyF2pvoGNmKQvwu1FIL17+xLQc55TKJ1Xu… (844 chars)"
  }
}