{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949443,-0.313940,0.000000,0.000000,0.175154,-0.529713,0.829895,0.000000,-0.259990,0.786284,0.560502,0.000000,-1660001.032373,5020309.537555,3554765.480226,1],    "boundingVolume": {    "region": [1.890055,0.594859,1.890217,0.595124,0.000000,8.761425]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/12_1371781.b3dm"}}}