{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949338,-0.314256,0.000000,0.000000,0.175738,-0.530888,0.829020,0.000000,-0.259976,0.785361,0.561801,0.000000,-1659914.970067,5014440.961553,3563023.560446,1],    "boundingVolume": {    "region": [1.890419,0.596551,1.890520,0.596572,0.000000,8.784292]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/7_1417774.b3dm"}}}