Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwEUITiGbxDgzEbOdxVGVS0U7bgGrCzbznf+2+bQyM6dX2m+f1/CCTK7Yb3b… (844 chars)"
  }
}