{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950699,-0.310115,0.000000,0.000000,0.173434,-0.531684,0.828995,0.000000,-0.256542,0.786463,0.561838,0.000000,-1637992.805769,5021477.481375,3563257.636940,1],    "boundingVolume": {    "region": [1.886028,0.596521,1.886193,0.596691,0.000000,8.791633]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/2_1392566.b3dm"}}}