Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwIXh+FBklQ6ZFymY5V3N/fxfaBSraeRyeW2dPuVYOI3Shmj+WfVPgdba0KJ… (844 chars)"
  }
}