Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAx3Dme+OtggSLyVOamc14ZezC2Htvkl52MZXiu3zXBWGwqjL1yCkAS6rGO… (1,748 chars)"
  }
}