{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950030,-0.312158,0.000000,0.000000,0.174214,-0.530208,0.829777,0.000000,-0.258478,0.786658,0.560677,0.000000,-1650343.395721,5022697.623099,3555881.142265,1],    "boundingVolume": {    "region": [1.888178,0.595138,1.888342,0.595269,0.000000,8.820070]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/12_1356810.b3dm"}}}