{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949218,-0.314619,0.000000,0.000000,0.175525,-0.529567,0.829909,0.000000,-0.260557,0.786112,0.560480,0.000000,-1663619.320066,5019210.272510,3554627.198957,1],    "boundingVolume": {    "region": [1.890804,0.594870,1.890899,0.595061,0.000000,8.480519]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/28_1371996.b3dm"}}}