{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949874,-0.312634,0.000000,0.000000,0.174698,-0.530782,0.829308,0.000000,-0.258724,0.786079,0.561374,0.000000,-1651922.767781,5019018.438376,3560310.114000,1],    "boundingVolume": {    "region": [1.888676,0.595943,1.888847,0.596148,0.000000,21.806790]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/2_1350474.b3dm"}}}