{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943993,-0.329966,0.000000,0.000000,0.184187,-0.526938,0.829705,0.000000,-0.273199,0.781591,0.560783,0.000000,-1744339.352106,4990350.378997,3556552.624014,1],    "boundingVolume": {    "region": [1.907016,0.595274,1.907111,0.595389,0.000000,8.821102]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/3_1310522.b3dm"}}}