Transaction not yet indexed

1t6o6fg4HDyQUBxwBE5cTopFH6imHvnRzVwudbEHFjyTj2GupLgCDzT8n3x1gjjwtATRM5NMP2cUDWxk1YJ2155

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