Transaction not yet indexed

U21MyFkFpf7ip5RgmhevL2TJwbdBEBoU8YK3QyTKXWvaXVQsSb2pv3CTuAZTSTQhsBZCbGESthjSVDX8BDhPKPJ

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