Transaction not yet indexed

21TX4csEgTutUE8dAMBjAyEmjPEUPByPvmcab7wiYXF5cBgSmMcwgRyr8FrqdpDo1RyTmtXmPpHSB8WXR9xRvGDK

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