Transaction not yet indexed

21bkfxPrgaDoq2pY5rAyEHWDzKAcxtqHrfHH667nL3Ss2Ayc1ftG1feARf9JKpVvvbnhsMCbmwo3EBmgPriJRtF5

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