{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950807,-0.309784,0.000000,0.000000,0.173155,-0.531459,0.829198,0.000000,-0.256331,0.786747,0.561537,0.000000,-1636644.250038,5023282.462444,3561345.564079,1],    "boundingVolume": {    "region": [1.885689,0.596133,1.885835,0.596352,0.000000,8.774613]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/14_1338972.b3dm"}}}