{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896860,-0.442314,0.000000,0.000000,0.285793,-0.579490,0.763226,0.000000,-0.336637,0.682583,0.648657,0.000000,-2150145.514013,4359750.988708,4115329.571289,1],    "boundingVolume": {    "region": [2.028922,0.705784,2.029025,0.705854,0.000000,6.992320]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/21_1837702.b3dm"}}}