Transaction not yet indexed

YKkKe4QzZWTraWNb61tbiShtsFvXr6wjyVUSNo8aFXVfEPek6kdcwupBJXG7XBnC6nSZDFoEi5E6GvLoMN4KCBU

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