{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949635,-0.313357,0.000000,0.000000,0.175234,-0.531049,0.829024,0.000000,-0.259233,0.785611,0.561795,0.000000,-1655172.920159,5016034.416096,3562986.929136,1],    "boundingVolume": {    "region": [1.889446,0.596470,1.889599,0.596639,0.000000,8.066593]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/7_1337757.b3dm"}}}