Transaction not yet indexed

Ygpk2jWFFyVEC9D3GbmP3iijKVRoDSYddw4Cjhi6La256vdZL9RAnCEMAZiZxf28LpXoGcLCoQL2LanT2m3XLSZ

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