{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950824,-0.309732,0.000000,0.000000,0.173319,-0.532061,0.828777,0.000000,-0.256157,0.786358,0.562161,0.000000,-1635533.524283,5020810.949294,3565312.092254,1],    "boundingVolume": {    "region": [1.885625,0.596912,1.885790,0.597081,0.000000,8.758258]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/2/4_1388519.b3dm"}}}