Transaction not yet indexed

21UhZgkzJtf1dg1S25rovxdAcQofrLowKwv6nrTMKghgd98ZgCzZH94bT3Nng2zTh9cPHot2iJKiQQKen319hsw1

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