{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949133,-0.314876,0.000000,0.000000,0.175653,-0.529471,0.829944,0.000000,-0.260782,0.786074,0.560429,0.000000,-1665051.968372,5018968.419334,3554300.092221,1],    "boundingVolume": {    "region": [1.891076,0.594808,1.891170,0.594998,0.000000,8.819396]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/28_1372555.b3dm"}}}