{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950717,-0.310058,0.000000,0.000000,0.173404,-0.531700,0.828991,0.000000,-0.256494,0.786474,0.561844,0.000000,-1637683.083639,5021549.629478,3563298.052372,1],    "boundingVolume": {    "region": [1.885968,0.596529,1.886133,0.596698,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392809.b3dm"}}}