Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwB7t2x8vwsmtNj5IXHD5zUkk2y/+BQ19GkK2XP1DZKZCwfCAVKZdxPsLaOA… (844 chars)"
  }
}