Transaction not yet indexed

21Sf6NiPX68WhvESJMEk2Dk4CDJckB61DvscWfZePEAnSUtQxiAWNJ7D49VbySiDmxQ9cmsXSiiLRrNthFaTVpQV

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