Property type not supported

[albertopallotto]

Hi,
I'm trying to set up a graph, I get this error, but I don't understand what's missing, can you help me?

ERROR:
Property type not supported in Livewire for property: [{"isMultiLine":false,"data":[{"title":"2025-03-09","value":298,"extras":[]},{"title":"2025-03-10","value":397,"extras":[]},{"title":"2025-03-11","value":397,"extras":[]},{"title":"2025-03-12","value":429,"extras":[]},{"title":"2025-03-13","value":381,"extras":[]},{"title":"2025-03-14","value":411,"extras":[]},{"title":"2025-03-15","value":317,"extras":[]},{"title":"2025-03-16","value":281,"extras":[]}],"markers":[],"onPointClickEventName":null}]