{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898768,-0.438424,0.000000,0.000000,0.283233,-0.580626,0.763317,0.000000,-0.333716,0.684117,0.648550,0.000000,-2131490.556241,4369548.129229,4114647.841922,1],    "boundingVolume": {    "region": [2.024558,0.705619,2.024724,0.705738,0.000000,17.268650]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/9_1833001.b3dm"}}}