{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949296,-0.314383,0.000000,0.000000,0.175560,-0.530113,0.829553,0.000000,-0.260249,0.785836,0.561009,0.000000,-1661656.525914,5017461.315796,3557990.142685,1],    "boundingVolume": {    "region": [1.890534,0.595551,1.890672,0.595658,0.000000,8.814030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1366660.b3dm"}}}