{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949779,-0.312920,0.000000,0.000000,0.115559,-0.350746,0.929313,0.000000,-0.290533,0.881830,0.371438,0.000000,-1853916.383552,5627031.498603,2354312.331737,1],    "boundingVolume": {    "region": [1.889011,0.380480,1.889114,0.380635,0.000000,5.607629]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13.b3dm"}}}