Transaction not yet indexed

21FWmLcFkZM3gKvYX4pqMCqM1Ka6KvBQniWnMMeNXhPkgTz8V1WXetWsLVZuDuWnyBxkUfGQqeVYw1NJgvmxSjoc

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