{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897624,-0.440761,0.000000,0.000000,0.285547,-0.581526,0.761768,0.000000,-0.334809,0.681849,0.650373,0.000000,-2138487.278611,4355098.129436,4126242.622826,1],    "boundingVolume": {    "region": [2.027167,0.707961,2.027319,0.708189,0.000000,18.456261]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/2_1796951.b3dm"}}}