Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCOUSKQ58vluIqnHT3KTZ9MPmvTFIwBkgSn52Y8AQLa0Gv9aeScFqouBGPy… (1,748 chars)"
  }
}