Transaction not yet indexed

2688knT7oHRwnhHwC5ELR1VKQQjRKQRZPgymzubJsXkStVBPmXsTkfCSwMvWVthtbFFyCt6CDZvUNzpFpuBoPoj2

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