{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898111,-0.439768,0.000000,0.000000,0.284289,-0.580585,0.762955,0.000000,-0.334579,0.683291,0.648976,0.000000,-2137007.706069,4364278.555270,4117359.592921,1],    "boundingVolume": {    "region": [2.026071,0.706127,2.026203,0.706350,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821188.b3dm"}}}