Transaction not yet indexed

xC51eP5jet1S23fKPwt2SYSsgnibffdBZEx1dGJ5ha8sdGFg4GdtdMpUmY5z4ofM4SEhQXFqoVo3fB7x2W2nDLR

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