Transaction not yet indexed

6721dZVMfXTfitsfLMgQQn5S8oCsVkPktNMpDs4aU53ukbyZ9BCPkLzEU7eScNx6Jf2hT8iRAGu5Tx7bF4DVz53S

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