github.com/0xPolygon/supernets2-node@v0.0.0-20230711153321-2fe574524eaa/test/tracers/tracer2.json

{"tracer":"{data: [], fault: function(log) {}, step: function(log) { if(log.op.toString() == 'CALL') this.data.push(log.stack.peek(0)); }, result: function() { return this.data; }}"}