Transaction not yet indexed

668BBMCPJbcbfK5SuCk931bZfj8LhvVswGNaE8igKur2snXAUJbXje2d2aAEWuNq41b95ip8SqDyQCuoRNE5dyT6

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