{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950867,-0.309601,0.000000,0.000000,0.173136,-0.531747,0.829017,0.000000,-0.256124,0.786623,0.561805,0.000000,-1635319.592231,5022496.710331,3563050.391787,1],    "boundingVolume": {    "region": [1.885487,0.596482,1.885652,0.596651,0.000000,8.723724]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/1/2_1386437.b3dm"}}}