{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950375,-0.311107,0.000000,0.000000,0.174077,-0.531774,0.828803,0.000000,-0.257302,0.786011,0.562123,0.000000,-1642848.436737,5018594.771647,3565070.818253,1],    "boundingVolume": {    "region": [1.887105,0.596902,1.887203,0.597000,0.000000,8.139250]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/10_1326732.b3dm"}}}