Transaction not yet indexed

MNgxK8W4ZfwWm8UoheEDsvT62rtbfHQMJbHWtSmVGbNYtfY9N6F1k6JMCTsZsumCSs5rta55TFWdSD9ysDbY8ET

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