Transaction not yet indexed

XMmjmSpb2HX1WKHJzzj9hbWbK8UfqUPyj6d7DoB4B7rbjqvSWbNUFq6Xn5MRLX6tpA5C2iD8WjMEHYaS6V2D2Mn

The transaction signature is valid but not yet indexed by this RPC node, or the transaction failed before inclusion.