Transaction not yet indexed

53kjmcpNMpBo3Bkck2yiu1wDTCLdR5f2EDcqKdZtDBobfnFpsZ4EUaGr9L6vADWsc5spcdNszgkw8ppWTb6gFWS7

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