Transaction not yet indexed

Wmmemw53tftf3ijcJ4ieGgyF9DaTRGVmAfFFmvXTr7cvAAMAwA9cWFdwxXm9oF8TbJqNL3i6X1jXwQiPiKQm9PZ

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