Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDtRpYeY9OTWsLmXo9I61AxEcGX8LVxL9r6p+ypBt6omHn9RaMMMhY5OEjJ… (844 chars)"
  }
}