Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCp6SZfBwveBWnpK7QmDwioL/NgnNjVGcqSMOZNJSqM/Q9jeIBZNfWX2GHL… (844 chars)"
  }
}