Transaction not yet indexed

28Y773cpy8j18AaPQY9AQ3LGgY9zQ4HqEXCSHY6igfL1AmuAYjsH7gfTAQG74HXeX7xR7eCyk2Pkry8tSjp1DvL6

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