{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896779,-0.442478,0.000000,0.000000,0.287580,-0.582845,0.759993,0.000000,-0.335324,0.679608,0.652450,0.000000,-2141793.640590,4340819.969301,4139462.681281,1],    "boundingVolume": {    "region": [2.029066,0.710761,2.029246,0.710866,0.000000,14.477163]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/6/20_1781729.b3dm"}}}