{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949826,-0.312780,0.000000,0.000000,0.174623,-0.530281,0.829644,0.000000,-0.258951,0.786361,0.560875,0.000000,-1653364.609462,5020808.769921,3557136.491581,1],    "boundingVolume": {    "region": [1.888833,0.595377,1.888997,0.595508,0.000000,8.803979]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1355421.b3dm"}}}