{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948644,-0.316347,0.000000,0.000000,0.176487,-0.529239,0.829915,0.000000,-0.261990,0.785642,0.560471,0.000000,-1672769.919765,5016207.774115,3554571.501094,1],    "boundingVolume": {    "region": [1.892625,0.594843,1.892721,0.595066,0.000000,8.705799]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1182146.b3dm"}}}