Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwD0NthDB/PqUTK5gF1SvFaHr/nZFT2E1Vrgazl0JDkMb3OGrJHM2d5zq81g… (844 chars)"
  }
}