Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCfU/D3DNiHR8kUZ/76Z5g2x0SPh1M8mo8v6MlqPQ6Nv3i9evh5PtGOYs9t… (1,748 chars)"
  }
}