Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBVmyw4m+G6/QaYTSEoWXpyJvCenKJ7Aa2XFaTG4Q+eQz2FaxgzD4/vnkLV… (844 chars)"
  }
}