Transaction not yet indexed

53TLk2ScP63RWkRt72P21rBn2eMPwCcxWjQpPLGR7LqAyZKvz7qC67VpRgPcqQt3DZt6qLRHbPpdeC5RJuCHfYZT

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