Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwGrzcS5huTrXE2ZV9sVQJGtm5l+33EuJxTv4hC3BsEOWQGmzMAGdQsNkIRV… (844 chars)"
  }
}