Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAUw7jiOYz48oLnFcWNdPIo+W74oTUC4/w2scFu2EfYCklQLVn8Nn/Lz5tO… (844 chars)"
  }
}