Transaction not yet indexed

UcMkGnHAP4KecVGcExJF9kkqZTaJUEgF4MCnEGRdoM3xWE9JWXMaT5uAV8iGhnEGMUB31cgmc7P8CKe7ZuRqJhU

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