Transaction not yet indexed

28Xmk7CjRaJTKvj5aZzokbHUbGR48RLNXHidSn5wuihapiTBMhnAitkPR4YEZ3kXTHCkj3DBWYQo1Led8qVpqsMF

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