Transaction not yet indexed

21dC3iBghKUrXQeAuLeubjUQXyFg1WdwFyoe753Mgiew3tCRTbWsr8FYYYMfSqEQsuE9io9GsZCHVLx9YGbU5Z46

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