Transaction not yet indexed

28RETMbWvZHUfpNMp5aht5ZqQGKdzF1MEue6My3VsAVcYccpqyX5nVp4X6TCLYWFAPeLfwyZHMBo6vvcZs1JfFaP

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