Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwC4r6EysfI0QgwGUFmom85iCEj4+oQuEFntMZW2/2ggvSJJvbfA/P2+XG3Z… (844 chars)"
  }
}