{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950589,-0.310453,0.000000,0.000000,0.173662,-0.531744,0.828909,0.000000,-0.256794,0.786289,0.561966,0.000000,-1639603.479856,5020370.347132,3564071.328696,1],    "boundingVolume": {    "region": [1.886417,0.596711,1.886515,0.596810,0.000000,8.813590]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/8_1395177.b3dm"}}}