{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950296,-0.311348,0.000000,0.000000,0.174100,-0.531387,0.829046,0.000000,-0.257578,0.786178,0.561763,0.000000,-1644604.472460,5019658.301593,3562778.576705,1],    "boundingVolume": {    "region": [1.887332,0.596422,1.887484,0.596608,0.000000,8.799261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/3_1398320.b3dm"}}}