Transaction not yet indexed

YYSefLabNURFU5AJH5c9mnnzLi2sFoM9DRm8uiyRMapRhPUfLcGk59iEFt8nqqgDm7v18bubQVC1gVwHoqfC8VS

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