Transaction not yet indexed

21skYHPthjPe5UEACcVmJ5idjTp7xfTvowsLCVMQQHaeJGRH91hs4Pb5mTm2f6PDhHeWFP2iNfs8fPEgacN3nMp9

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