Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBWraCEBrKhLA1r+2JZwbxXe6GGj6aYrpq54W/FNjSRwVMqpM3ovkJi1sZy… (844 chars)"
  }
}