{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950125,-0.311868,0.000000,0.000000,0.174024,-0.530176,0.829837,0.000000,-0.258257,0.786794,0.560587,0.000000,-1648932.105802,5023568.309318,3555309.715480,1],    "boundingVolume": {    "region": [1.887873,0.595029,1.888037,0.595161,0.000000,8.443124]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/11_1357221.b3dm"}}}