{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.897569,-0.440873,0.000000,0.000000,0.285906,-0.582072,0.761216,0.000000,-0.334650,0.681309,0.651020,0.000000,-2137476.089090,4351663.104987,4130360.852173,1],    "boundingVolume": {    "region": [2.027292,0.708814,2.027444,0.709041,0.000000,6.679095]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/6_1790875.b3dm"}}}