{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950393,-0.311051,0.000000,0.000000,0.173734,-0.530830,0.829480,0.000000,-0.257468,0.786674,0.561119,0.000000,-1643899.498836,5022810.702294,3558686.277146,1],    "boundingVolume": {    "region": [1.887045,0.595678,1.887145,0.595795,0.000000,8.748745]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/12_1424315.b3dm"}}}