{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949646,-0.313324,0.000000,0.000000,0.174856,-0.529966,0.829796,0.000000,-0.259449,0.786358,0.560648,0.000000,-1656547.987496,5020786.864016,3555695.761879,1],    "boundingVolume": {    "region": [1.889407,0.595036,1.889569,0.595301,0.000000,8.819706]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1369789.b3dm"}}}