Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwCfYJxmtW7QFcZdnWZCFA0PqKRW5SIA4y70Lb+2zfZYJwz+hfCAX/lf83kd… (844 chars)"
  }
}