{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950896,-0.309511,0.000000,0.000000,0.173166,-0.532011,0.828841,0.000000,-0.255994,0.786479,0.562066,0.000000,-1634496.088295,5021581.617808,3564706.510455,1],    "boundingVolume": {    "region": [1.885393,0.596797,1.885558,0.596966,0.000000,8.691446]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/4_1387780.b3dm"}}}