Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC8JfBYYILrm+B7L6Pl9yG0vLVVdgyS2qIXJ81/N5DxgXxLN3LIJ8zkaIXj… (844 chars)"
  }
}