Transaction not yet indexed

6668xjzRmMS7tjW62fUFZ5MFZzAXphVfdha2PxFz6gn9ySwMTfgM8784iQnbn3AG6CmU4EBmek5e9Bmqotcd2MYk

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