{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948595,-0.316492,0.000000,0.000000,0.176612,-0.529345,0.829820,0.000000,-0.262080,0.785511,0.560612,0.000000,-1673346.371065,5015376.472669,3555467.063573,1],    "boundingVolume": {    "region": [1.892778,0.595013,1.892874,0.595237,0.000000,8.766100]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1183757.b3dm"}}}