{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950222,-0.311573,0.000000,0.000000,0.173882,-0.530300,0.829787,0.000000,-0.257996,0.786827,0.560661,0.000000,-1647270.689244,5023779.162701,3555778.753378,1],    "boundingVolume": {    "region": [1.887594,0.595126,1.887694,0.595243,0.000000,8.764896]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/7_1453931.b3dm"}}}