{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949657,-0.313293,0.000000,0.000000,0.174843,-0.529985,0.829787,0.000000,-0.259420,0.786358,0.560662,0.000000,-1656362.196430,5020783.835745,3555785.981290,1],    "boundingVolume": {    "region": [1.889374,0.595053,1.889536,0.595318,0.000000,8.667473]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1356876.b3dm"}}}