Transaction not yet indexed

28HeErRj9yYC9WWWfz9FZVYfk5HQtD7mgtkpSBzg7caoFjWNGohD5oqWHY5pHj4kehWHywQRVY2EkdRCbrQxMHW7

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