{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949040,-0.315154,0.000000,0.000000,0.116249,-0.350066,0.929484,0.000000,-0.292662,0.881307,0.371008,0.000000,-1867496.765451,5623688.098692,2351584.679955,1],    "boundingVolume": {    "region": [1.891361,0.380037,1.891470,0.380152,0.000000,51.109123]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/23_2871.b3dm"}}}