Transaction not yet indexed

21Ef6NPm7fbB6jv77epsckCYttD7f6f2PGpcCEGpFLWQYSFAHHGQi99R64DgTu5e6wcjL4dQEYXFuGGgYTDAggsD

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