Transaction not yet indexed

21ztfgMca6j39Doe6x6dvfRFqaUNyqsRyQ5MxiByF2JtfsgEVhD7y8FnDaYR81do31bExbLTEpucaaBM9RFXSytH

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