{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949649,-0.313317,0.000000,0.000000,0.174944,-0.530247,0.829598,0.000000,-0.259381,0.786170,0.560944,0.000000,-1656111.185399,5019592.428622,3557572.478866,1],    "boundingVolume": {    "region": [1.889431,0.595484,1.889530,0.595566,0.000000,10.452974]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/3_1457522.b3dm"}}}