{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950156,-0.311774,0.000000,0.000000,0.173913,-0.530016,0.829962,0.000000,-0.258217,0.786940,0.560401,0.000000,-1648680.560899,5024494.113257,3554125.892060,1],    "boundingVolume": {    "region": [1.887773,0.594805,1.887937,0.594936,0.000000,8.809282]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1451895.b3dm"}}}