{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.896755,-0.442527,0.000000,0.000000,0.287231,-0.582056,0.760729,0.000000,-0.335688,0.680253,0.651590,0.000000,-2144116.399848,4344922.683983,4133989.142114,1],    "boundingVolume": {    "region": [2.029122,0.709626,2.029301,0.709731,0.000000,18.358347]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/9_1781858.b3dm"}}}