Transaction not yet indexed

12Qmk7Rf3HAJojeeyPRqudCmaFkUPCFvu8zwjf6wCG3LkeKckFv6fWEtkiaWS948tpNd3fWVfMzhkpoL6Qc7Ekz

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