{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949287,-0.314411,0.000000,0.000000,0.175561,-0.530064,0.829584,0.000000,-0.260282,0.785858,0.560963,0.000000,-1661868.153909,5017599.211946,3557698.790023,1],    "boundingVolume": {    "region": [1.890564,0.595496,1.890701,0.595602,0.000000,8.814030]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/5_1366952.b3dm"}}}