Transaction not yet indexed

668foMM3GKEgedSyknqDDs2QR5YfYmdgAUABCPN3eWSTVoiDLN8r2EWDxurdceQ6tbPFYAkPyC2dpinj3tgKURdC

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