{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950165,-0.311749,0.000000,0.000000,0.174510,-0.531881,0.828642,0.000000,-0.257783,0.785684,0.562361,0.000000,-1645916.047467,5016510.812266,3566578.413788,1],    "boundingVolume": {    "region": [1.887753,0.597145,1.887905,0.597330,0.000000,7.210953]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/7_1331804.b3dm"}}}