{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948660,-0.316297,0.000000,0.000000,0.176392,-0.529046,0.830058,0.000000,-0.261995,0.785792,0.560259,0.000000,-1672796.523139,5017163.576016,3553218.883207,1],    "boundingVolume": {    "region": [1.892572,0.594586,1.892668,0.594809,0.000000,8.769382]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/11_1215508.b3dm"}}}