{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896153,-0.443746,0.000000,0.000000,0.288211,-0.582047,0.760366,0.000000,-0.336451,0.679468,0.652015,0.000000,-2148989.923785,4339920.544854,4136693.813398,1],    "boundingVolume": {    "region": [2.030481,0.710187,2.030661,0.710292,0.000000,12.059700]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/15/15_1784920.b3dm"}}}