Transaction not yet indexed

21mTftELgaNU8FTr3WrV13PcoUCaF5pruMBicQCH5CU8wwXkmpNJPNdK7TFbTPp58ebwpBiSTBfaAVVHXhLs4h55

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