Transaction not yet indexed

5c21TJM5SNvVmrSKd6F81AUNiHgNoiNBfPd1AxNXw2VEtSJD2F641VocXTDEZoKn72AjrWuKbbkvYKwFKkuYCTVR

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