Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAVB0NaqbJ0c6G03oICr6eUPNJHqHC7f9L5IEYAGZJTfl5qDHafVUGC8oOj… (1,748 chars)"
  }
}