{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950514,-0.310680,0.000000,0.000000,0.173757,-0.531604,0.828979,0.000000,-0.257004,0.786295,0.561862,0.000000,-1640944.046606,5020404.668173,3563410.414294,1],    "boundingVolume": {    "region": [1.886656,0.596586,1.886754,0.596684,0.000000,8.994908]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1328615.b3dm"}}}