Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwAg7c1RH2Fy9q26lDmMDpe6rfSNVtFNU+Vc+yL91GjUTEnJKYUQbAaE9dzU… (844 chars)"
  }
}