Transaction not yet indexed

iSXkoJghjF3fo34m1Y9dcpHAbw4Ym5UwTFx5uAkVjCdbfg64eedSLTfnqnVSPGD1Q9nAwFNTZhKJvNYbcD7SFaJ

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