Transaction not yet indexed

mmKCL4HYAc3Xvvfjmz8Pa7oJejLHKzwtD4S7Z6jXT8d53yMy1CkrjsDbBMKRYxoYYTpCLWpUnd2kKiPk3pD5atS

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