Transaction not yet indexed

28ud1LKyMmjSQLPHQdM9Be3aNE111Bq2hQsou3pdk3KYAQddXhPm9SjfVmfNm2jNFEmQnCHD3b1BZUcCoxNQk1m1

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