Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG6FGVi0Xc5Pzs6NkyTZl2lq8sR8MM1xVpyA4WMHbl70WBNxV9LxLCh3yvl… (844 chars)"
  }
}