Transaction not yet indexed

YngKSpNyLYmPB3ysWnR4fbEdVZXNQuVfwHv7c76KgFBRibiinncd2121F7aTidEwE3UyJCnEv5bqnRgUfoc5rRY

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