{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894703,-0.446662,0.000000,0.000000,0.284852,-0.570582,0.770257,0.000000,-0.343102,0.687263,0.640274,0.000000,-2191361.216894,4389485.469943,4061992.697184,1],    "boundingVolume": {    "region": [2.033761,0.694792,2.033894,0.694917,0.000000,22.300247]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/15_984704.b3dm"}}}