{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949431,-0.313977,0.000000,0.000000,0.175155,-0.529650,0.829935,0.000000,-0.260034,0.786313,0.560442,0.000000,-1660277.424897,5020489.849859,3554384.293104,1],    "boundingVolume": {    "region": [1.890094,0.594786,1.890256,0.595052,0.000000,8.819983]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1457183.b3dm"}}}