{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948846,-0.315738,0.000000,0.000000,0.176519,-0.530470,0.829122,0.000000,-0.261234,0.785052,0.561650,0.000000,-1667948.100444,5012461.582734,3562063.569222,1],    "boundingVolume": {    "region": [1.891962,0.596326,1.892100,0.596432,0.000000,8.797005]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1112310.b3dm"}}}