{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950654,-0.310253,0.000000,0.000000,0.173575,-0.531854,0.828857,0.000000,-0.256613,0.786293,0.562043,0.000000,-1638446.330048,5020397.503368,3564561.879607,1],    "boundingVolume": {    "region": [1.886173,0.596770,1.886339,0.596939,0.000000,8.788079]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/3_1396044.b3dm"}}}