Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEB3d/WIWGCTfTAOTBv2CNZeXyig/4Pxp4gR04VNhsMmVUDL/TJ/pUVQS74… (844 chars)"
  }
}