{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949370,-0.314161,0.000000,0.000000,0.175185,-0.529397,0.830090,0.000000,-0.260235,0.786410,0.560211,0.000000,-1661561.386750,5021110.043452,3552917.828484,1],    "boundingVolume": {    "region": [1.890288,0.594508,1.890450,0.594773,0.000000,8.636152]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/11_1380505.b3dm"}}}