{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949136,-0.314866,0.000000,0.000000,0.175645,-0.529467,0.829948,0.000000,-0.260774,0.786081,0.560423,0.000000,-1665006.746928,5019010.185366,3554262.551863,1],    "boundingVolume": {    "region": [1.891065,0.594801,1.891160,0.594991,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1372659.b3dm"}}}