Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwBwCuv5HFU8w8CXG0w2+Yk+XwUATzjJG/tpiO7c55o/GRfG8++b+kJTjIOD… (844 chars)"
  }
}