Transaction not yet indexed

Ff18zUGmTp2J5bkJhp2EJsvP8JsdfA8VcoWrE7eRnn33KPtb8n3Hpg6J7XPTzbS2uXK7mVbsaMEzCo623v4JjYU

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