{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949419,-0.314013,0.000000,0.000000,0.175140,-0.529536,0.830011,0.000000,-0.260088,0.786375,0.560329,0.000000,-1660622.275432,5020887.290130,3553666.560628,1],    "boundingVolume": {    "region": [1.890133,0.594650,1.890295,0.594916,0.000000,8.819933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1379628.b3dm"}}}