{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949310,-0.314341,0.000000,0.000000,0.175365,-0.529603,0.829920,0.000000,-0.260331,0.786199,0.560463,0.000000,-1662174.950771,5019764.154853,3554521.466229,1],    "boundingVolume": {    "region": [1.890478,0.594812,1.890640,0.595078,0.000000,14.108846]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/12_1457649.b3dm"}}}