{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949340,-0.314251,0.000000,0.000000,0.175351,-0.529728,0.829843,0.000000,-0.260232,0.786150,0.560578,0.000000,-1661541.791740,5019453.961241,3555250.548355,1],    "boundingVolume": {    "region": [1.890383,0.594951,1.890545,0.595217,0.000000,10.265112]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1370120.b3dm"}}}