Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEhUe0NK3Y8eQzR8aKz6RitX4pA32u/asYtUkTq+s7+yyLQ91v9RJpyRKvd… (844 chars)"
  }
}