{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949602,-0.313458,0.000000,0.000000,0.174941,-0.529975,0.829773,0.000000,-0.259552,0.786299,0.560683,0.000000,-1657205.655109,5020411.064052,3555918.420420,1],    "boundingVolume": {    "region": [1.889547,0.595078,1.889709,0.595344,0.000000,8.063366]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369237.b3dm"}}}