{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.952208,-0.305450,0.000000,0.000000,0.113667,-0.354344,0.928181,0.000000,-0.283248,0.882995,0.374287,0.000000,-1807439.581753,5634506.474331,2372382.622786,1],    "boundingVolume": {    "region": [1.881128,0.383616,1.881286,0.383638,0.000000,4.103945]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/2/8.b3dm"}}}