{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898114,-0.439764,0.000000,0.000000,0.284282,-0.580579,0.762963,0.000000,-0.334579,0.683299,0.648968,0.000000,-2137006.196349,4364331.618231,4117304.501916,1],    "boundingVolume": {    "region": [2.026066,0.706116,2.026198,0.706338,0.000000,15.709792]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/12_1821117.b3dm"}}}