{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949000,-0.315276,0.000000,0.000000,0.116849,-0.351722,0.928783,0.000000,-0.292552,0.880597,0.372776,0.000000,-1866803.453055,5619184.261060,2362799.040579,1],    "boundingVolume": {    "region": [1.891530,0.381989,1.891559,0.382009,0.000000,13.593223]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/23/21.b3dm"}}}