{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948923,-0.315508,0.000000,0.000000,0.116382,-0.350029,0.929481,0.000000,-0.292990,0.881195,0.371015,0.000000,-1869589.844513,5622974.861915,2351626.817178,1],    "boundingVolume": {    "region": [1.891735,0.380044,1.891843,0.380159,0.000000,4.603970]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/23_3505.b3dm"}}}