Transaction not yet indexed

51Kh2JVnLKkG2KuWPc68gBPjsYZPwXh7Eeq1scfann9W3tcR95dcyHvQjFDevNEoxrLvw5dB9N18Ar7jg5rzwpL1

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