{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950320,-0.311274,0.000000,0.000000,0.173645,-0.530141,0.829939,0.000000,-0.257796,0.787053,0.560436,0.000000,-1645990.609462,5025218.123050,3554347.570500,1],    "boundingVolume": {    "region": [1.887280,0.594854,1.887379,0.594971,0.000000,8.766976]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/5_1452334.b3dm"}}}