{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.893936,-0.448195,0.000000,0.000000,0.288861,-0.576141,0.764605,0.000000,-0.341733,0.681596,0.647028,0.000000,-2182683.444444,4353419.241933,4104960.442774,1],    "boundingVolume": {    "region": [2.035458,0.703598,2.035624,0.703761,0.000000,46.655184]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/2/1/3_1997238.b3dm"}}}