{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949894,-0.312572,0.000000,0.000000,0.174454,-0.530158,0.829758,0.000000,-0.258815,0.786527,0.560705,0.000000,-1652494.993706,5021863.198867,3556059.224312,1],    "boundingVolume": {    "region": [1.888614,0.595172,1.888778,0.595303,0.000000,8.806304]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/12_1356546.b3dm"}}}