{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950216,-0.311592,0.000000,0.000000,0.174144,-0.531060,0.829246,0.000000,-0.257842,0.786304,0.561466,0.000000,-1646292.177494,5020453.001183,3560891.580217,1],    "boundingVolume": {    "region": [1.887595,0.596052,1.887733,0.596260,0.000000,8.813532]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1342296.b3dm"}}}