Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwGkiTGa9f6n4AH3Y1X8OOqMzKY23EEfWuj+tVRu7hkEtSoa/Vq/+mtSdY5Z… (844 chars)"
  }
}