{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950434,-0.310925,0.000000,0.000000,0.173807,-0.531292,0.829168,0.000000,-0.257266,0.786410,0.561581,0.000000,-1642613.411382,5021135.459156,3561623.208404,1],    "boundingVolume": {    "region": [1.886914,0.596246,1.887011,0.596345,0.000000,8.819004]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/3_1427749.b3dm"}}}