{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898095,-0.439801,0.000000,0.000000,0.284308,-0.580572,0.762958,0.000000,-0.334606,0.683281,0.648973,0.000000,-2137174.716430,4364215.651323,4117339.716914,1],    "boundingVolume": {    "region": [2.026107,0.706123,2.026240,0.706346,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821165.b3dm"}}}