Transaction not yet indexed

21nMgSixmiLSMEvVcpwkeP78Ub3wREPfJ9fGfTfWgBoHF9fHPcyHoZk6TCpXDEw3QwcrjujvgXTv8KiRo89PtduW

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