{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950852,-0.309647,0.000000,0.000000,0.172728,-0.530406,0.829960,0.000000,-0.256456,0.787514,0.560404,0.000000,-1637431.619561,5028158.855183,3554143.346125,1],    "boundingVolume": {    "region": [1.885560,0.594816,1.885676,0.594931,0.000000,8.576509]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/4_1341587.b3dm"}}}