Transaction not yet indexed

5u661PmaSN7d7hDspuKpwnSSk78kgJT3fdaDMv2YjRvfxxynWtCFWAq6p4NdRv6ax6dK7ESA4E3xV2HuL4LiJsxk

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