{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.942991,-0.332818,0.000000,0.000000,0.186621,-0.528765,0.827998,0.000000,-0.274988,0.779140,0.563314,0.000000,-1755779.513528,4974745.949861,3572639.271498,1],    "boundingVolume": {    "region": [1.910014,0.598343,1.910159,0.598440,0.000000,8.208084]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/6_545617.b3dm"}}}