{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950209,-0.311613,0.000000,0.000000,0.174175,-0.531115,0.829204,0.000000,-0.257847,0.786258,0.561528,0.000000,-1646319.292970,5020163.152863,3561285.011956,1],    "boundingVolume": {    "region": [1.887617,0.596126,1.887755,0.596335,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1432548.b3dm"}}}