Transaction not yet indexed

mkk8FNmRc9kw9ue9Shmb6UX8kMSduuUNa7oCSKSirCAZUkxtbDf2FGKj5Guy2BNc7197CbPg5Cw65G195PMDnfs

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