{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949407,-0.314049,0.000000,0.000000,0.175209,-0.529677,0.829906,0.000000,-0.260084,0.786265,0.560485,0.000000,-1660600.292340,5020186.911045,3554659.480998,1],    "boundingVolume": {    "region": [1.890170,0.594839,1.890332,0.595104,0.000000,8.819933]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371955.b3dm"}}}