Transaction not yet indexed

RK21SfK1o41XKFsjF6RQZK92moyWs7f4pfy2NFHuxd6bw6CXnEi5yEY5Ygu1CVL6udA8Cx4aspr2LRfWKnPBhrw

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