Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG3nCsU/BHKIXce1EjpLnyL9VE9CyV+0v1b0hgpA2+AhXW5qDE4GxjWJSc/… (844 chars)"
  }
}