{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950192,-0.311666,0.000000,0.000000,0.174436,-0.531812,0.828703,0.000000,-0.257733,0.785764,0.562271,0.000000,-1645599.721721,5017020.959841,3566010.584194,1],    "boundingVolume": {    "region": [1.887666,0.597037,1.887818,0.597222,0.000000,8.457595]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/6_1331845.b3dm"}}}