{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943993,-0.329966,0.000000,0.000000,0.184204,-0.526985,0.829672,0.000000,-0.273188,0.781559,0.560833,0.000000,-1744269.788315,4990148.862437,3556867.357038,1],    "boundingVolume": {    "region": [1.907016,0.595334,1.907111,0.595449,0.000000,8.772674]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/4_1310789.b3dm"}}}