{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943278,-0.332003,0.000000,0.000000,0.186121,-0.528803,0.828086,0.000000,-0.274345,0.779461,0.563184,0.000000,-1751670.092219,4976793.625547,3571810.094565,1],    "boundingVolume": {    "region": [1.909151,0.598185,1.909295,0.598282,0.000000,8.759725]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1285016.b3dm"}}}