{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949671,-0.313249,0.000000,0.000000,0.115435,-0.349962,0.929624,0.000000,-0.290937,0.882028,0.370652,0.000000,-1856487.235126,5628281.865841,2349325.956981,1],    "boundingVolume": {    "region": [1.889339,0.379621,1.889478,0.379802,0.000000,8.954434]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/8_74180.b3dm"}}}