{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950343,-0.311204,0.000000,0.000000,0.174039,-0.531473,0.829003,0.000000,-0.257445,0.786177,0.561826,0.000000,-1643758.675356,5019648.796025,3563179.569729,1],    "boundingVolume": {    "region": [1.887180,0.596499,1.887332,0.596684,0.000000,8.813921]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/3_1399106.b3dm"}}}