{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950296,-0.311348,0.000000,0.000000,0.173693,-0.530147,0.829925,0.000000,-0.257853,0.787020,0.560457,0.000000,-1646354.870691,5025005.079240,3554479.175738,1],    "boundingVolume": {    "region": [1.887358,0.594879,1.887457,0.594996,0.000000,8.819950]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/5_1452528.b3dm"}}}