{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949131,-0.314883,0.000000,0.000000,0.175657,-0.529473,0.829942,0.000000,-0.260786,0.786070,0.560432,0.000000,-1665079.986715,5018944.367643,3554320.789962,1],    "boundingVolume": {    "region": [1.891082,0.594812,1.891177,0.595002,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1372505.b3dm"}}}