{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898098,-0.439795,0.000000,0.000000,0.284294,-0.580552,0.762979,0.000000,-0.334610,0.683302,0.648949,0.000000,-2137203.173502,4364351.171184,4117182.355333,1],    "boundingVolume": {    "region": [2.026100,0.706090,2.026233,0.706313,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820863.b3dm"}}}