{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949061,-0.315091,0.000000,0.000000,0.116219,-0.350055,0.929492,0.000000,-0.292606,0.881334,0.370988,0.000000,-1867139.033276,5623862.223500,2351453.209392,1],    "boundingVolume": {    "region": [1.891295,0.380015,1.891403,0.380130,0.000000,59.010296]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/17/22_2621.b3dm"}}}