Transaction not yet indexed

21Sf7wCGVJshUebLazDL7n8VAp1TETiMdpkeXEA51igSo4PVGPbMFQjGu9Fx7QZLLoTvDRXbu3s6Noo7bkGghy2U

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