{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950852,-0.309646,0.000000,0.000000,0.173006,-0.531263,0.829354,0.000000,-0.256266,0.786934,0.561305,0.000000,-1636224.829332,5024471.863802,3559870.073058,1],    "boundingVolume": {    "region": [1.885544,0.595852,1.885690,0.596072,0.000000,8.809759]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/13_1422264.b3dm"}}}