{{1}}, {{2}}, etc.)"status": "approved" can be used in live messaging{{1}}, {{2}}, {{3}}) must be provided in positional orderBODY: ["value1", "value2"] fills {{1}} and {{2}} in sequence.HEADER if the template has a header component. For media headers, provide a valid public URL.BUTTONS[] values are tracking payloads, not the visible button text shown to users.