Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFwDyDc30jL9m4htiJoHiVJ/YcOoDEEJ3/pHu7RFOgRMCkYMxDBcHLFdLwB… (844 chars)"
  }
}