Transaction not yet indexed

21SabGvxK22Em9SDMcQKBNKKk3RcbqatSEaBbpE4Uu9HxCioPmqRYSSinPb5tmDFLWFt8EfrfFK5KcQJ51p7C3Z2

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