Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDgIy/25x+L8hUfLH5WF8u8+r1nUJ4SZlbTF9jkx7qy2CAXS3Z1xSyngb4s… (844 chars)"
  }
}