{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949562,-0.313579,0.000000,0.000000,0.174916,-0.529670,0.829972,0.000000,-0.259716,0.786457,0.560386,0.000000,-1658250.448867,5021412.750722,3554029.207824,1],    "boundingVolume": {    "region": [1.889676,0.594719,1.889838,0.594985,0.000000,8.642452]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/12_1379083.b3dm"}}}