Transaction not yet indexed

53NuNUEEtd7iiiD4pY6M6pYwAAXuRssZ1yfdF2rPHjF4cTbEnRGSPL7d2fzz194SSZZQPUuxhiz2TaSLiEfQkECE

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