Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEjkTb7c/mNF3BAlhJTnzq8Z33WHCXhYgAx/F1FYnS0sXJvOcMGrUqpYgJ8… (844 chars)"
  }
}