Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHAiZWfNUkwS2t/WhXI8CsWNvdED+J/XhBF+N/fpwBOJQxFHfF1lUefJ7uh… (844 chars)"
  }
}