{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949417,-0.314017,0.000000,0.000000,0.175415,-0.530359,0.829427,0.000000,-0.259907,0.785816,0.561197,0.000000,-1659471.009112,5017333.885852,3559181.621973,1],    "boundingVolume": {    "region": [1.890168,0.595790,1.890267,0.595872,0.000000,8.745557]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/9/7_1362603.b3dm"}}}