{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950196,-0.311654,0.000000,0.000000,0.174265,-0.531314,0.829058,0.000000,-0.257835,0.786107,0.561745,0.000000,-1646245.546224,5019201.613603,3562664.837971,1],    "boundingVolume": {    "region": [1.887654,0.596401,1.887806,0.596586,0.000000,8.777635]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/3_1330637.b3dm"}}}