Transaction not yet indexed

MMCkYfiuapkp4hAapyvQvgdw1XiixPDMLCSqreP29f9GSHyeTzUPEt6gXacesweqYFy6tqT4yLRd8EqyVBQ1ZuM

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