Transaction not yet indexed

21MnV3jbUDhaDBQ8Nsvr3PnMEnwRVbCNKQJ5bWQ4VKXEbWY6rSbPF8dYmjzUD18u1e2AhfS9hRkFSAJFcsKPLrj5

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