{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950101,-0.311943,0.000000,0.000000,0.174178,-0.530503,0.829595,0.000000,-0.258243,0.786543,0.560947,0.000000,-1648843.920544,5021969.876173,3557592.679062,1],    "boundingVolume": {    "region": [1.887984,0.595471,1.888083,0.595587,0.000000,8.625549]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/15/11_1354590.b3dm"}}}