Change tilde mapping:
hidutil property --set '{"UserKeyMapping":[
{"HIDKeyboardModifierMappingSrc":0x700000035,"HIDKeyboardModifierMappingDst":0x700000064},
{"HIDKeyboardModifierMappingSrc":0x700000064,"HIDKeyboardModifierMappingDst":0x700000035}
]}'
Reset the mapping:
hidutil property --set '{"UserKeyMapping":[]}'
Resources: