{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948871,-0.315666,0.000000,0.000000,0.176580,-0.530789,0.828904,0.000000,-0.261105,0.784864,0.561973,0.000000,-1667123.925407,5011268.372826,3564113.844970,1],    "boundingVolume": {    "region": [1.891904,0.596758,1.892005,0.596780,0.000000,8.625113]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/28/17_1116050.b3dm"}}}