Transaction not yet indexed

MkEfVZ85bXSGh1usubCyyd5tyjdWs96aLSBhecQcGjFnLbwEni3SuyzAkAsPbqaHg34Ra5jUvJUjmemuiogNRcA

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