Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCeYjfyZTg6QRBC/SgmJS+Uz4Zr2G4NfJks8AJd12zbM1JnAnXLRmN1xOcW… (1,748 chars)"
  }
}