Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwB3C6e5zGIQQ26SXCqxEjEyoEfPP4vwXX9uo6m/shyjRXW0TVCjBK1KS/6c… (844 chars)"
  }
}