{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950485,-0.310769,0.000000,0.000000,0.173947,-0.532015,0.828675,0.000000,-0.256983,0.785980,0.562312,0.000000,-1640810.282248,5018403.083309,3566270.998634,1],    "boundingVolume": {    "region": [1.886750,0.597130,1.886848,0.597229,0.000000,8.662907]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1325582.b3dm"}}}