{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950048,-0.312102,0.000000,0.000000,0.174268,-0.530475,0.829594,0.000000,-0.258374,0.786498,0.560948,0.000000,-1649684.524140,5021685.930680,3557603.721122,1],    "boundingVolume": {    "region": [1.888120,0.595465,1.888283,0.595597,0.000000,8.817599]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/14_1455538.b3dm"}}}