Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAgIcAf1xCSrUBGPvfg6BTnKh6TVuJYG36q6Np8Xq0860eWHq4+jlqaCx2X… (1,748 chars)"
  }
}