Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBh6W/sEynvYvXBU8LJ6zlK4ypZej7SIkx3tBsX4SJIbT2/lK6Yd2Ydh+03… (844 chars)"
  }
}