Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBsYzP0T/z+0N8mTIDfUUwEe/3t1uEzboBS4pmpkE1K0nwdsHmzU2YV2WbT… (844 chars)"
  }
}