Transaction not yet indexed

21Mgpm5re7UP9Q96BvW3bFphaa4sAkVHW5nMK7wpDGSFtpFVr99dNg21iQdvt8dCRow4QoNm8ocFLYEhW5eUpQKQ

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