Transaction not yet indexed

642JcYg1QtzrfXy2eNJrYiFimi5d7v9NTtGUX3r5qzHGeycb8ESih2nXkCKZNAe5gZ5PBVGC4LPDi21TLSGZ2mM8

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