{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949694,-0.313179,0.000000,0.000000,0.174810,-0.530100,0.829720,0.000000,-0.259305,0.786325,0.560762,0.000000,-1655626.420657,5020576.154991,3556417.572374,1],    "boundingVolume": {    "region": [1.889254,0.595173,1.889416,0.595438,0.000000,8.584855]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1356021.b3dm"}}}