Transaction not yet indexed

21ujvTsnmtTBs2U52cE4QiaRrbHDACJLwT2nx8R7EnFc1Xu8fVQPNBUPwprzbqkWQFhx1wpwoKq6qBpUUAkJJHoA

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