Transaction not yet indexed

mpLkL6qw1KgNrVXGoQNPdQSiUY5eDBSmoevP4LdNwXLTbf7hzQmYkbNT3CEcEXSe7h8i1dpVgT1osKUqDRCfKDZ

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