{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898099,-0.439794,0.000000,0.000000,0.284280,-0.580525,0.763004,0.000000,-0.334621,0.683325,0.648919,0.000000,-2137272.347234,4364497.782681,4116992.307808,1],    "boundingVolume": {    "region": [2.026100,0.706051,2.026232,0.706274,0.000000,10.642843]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1820412.b3dm"}}}