{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949584,-0.313513,0.000000,0.000000,0.175004,-0.530061,0.829704,0.000000,-0.259576,0.786219,0.560785,0.000000,-1657359.160955,5019899.314937,3556564.935041,1],    "boundingVolume": {    "region": [1.889605,0.595201,1.889767,0.595466,0.000000,8.784550]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1368290.b3dm"}}}