Transaction not yet indexed

Mmtkj4eHJuAnE33XhQegxkYd1z1o7vnuCw6iFoG2WSC4Zjsfrve3GemYWYhTfC4wTVBHWpVyQLnetrfD9un2QwT

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