Transaction not yet indexed

2nii51SQ1eMVB7h3cgYQQ1NLo124Hs3f4YgvRA36D3UthwsHBMaCkfrxCxfqucfmLpHkvzAT4Lscdwkjv7UUpEKs

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