Transaction not yet indexed

NM6k88KmkK7d14cJvLQhzY5brGKsDBT5z86wG1yPyPFV4jyokV5ucdfLnqtLi1gpbipGPFhKREuLJ267diFSn2F

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