{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.951020,-0.309131,0.000000,0.000000,0.172754,-0.531466,0.829277,0.000000,-0.255815,0.786998,0.561420,0.000000,-1633348.977211,5024884.468565,3560603.340334,1],    "boundingVolume": {    "region": [1.885002,0.595991,1.885148,0.596211,0.000000,8.818356]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/13_1422951.b3dm"}}}