Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBGBtpUbDOKXkNQ61zFrP8SZ97zeMEuCLHjvQzRpoPEtl7+P5GYHSNEYfxn… (844 chars)"
  }
}