Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCRDemEN/OTM0Nj2DYLqGBXdlcu3ZOh8O4/tcJZsQXNc3voHCFEJnmNUG/7… (1,748 chars)"
  }
}