Transaction not yet indexed

51c52oFdvgwQC6DCE9stxdRMWP59qRmf4WAb1xPVmrgo71gKsvzmJqbo7cSma93DdFxYkAGjdpCVfhmUEnZ2mnPC

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