{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949422,-0.314004,0.000000,0.000000,0.175133,-0.529530,0.830016,0.000000,-0.260082,0.786382,0.560321,0.000000,-1660584.406322,5020933.944074,3553618.662575,1],    "boundingVolume": {    "region": [1.890123,0.594641,1.890285,0.594907,0.000000,8.819983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1379768.b3dm"}}}