{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949316,-0.314323,0.000000,0.000000,0.175559,-0.530224,0.829483,0.000000,-0.260177,0.785786,0.561114,0.000000,-1661195.567595,5017138.908495,3558655.486069,1],    "boundingVolume": {    "region": [1.890471,0.595678,1.890608,0.595784,0.000000,8.746050]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/1/6_1364963.b3dm"}}}