{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898481,-0.439013,0.000000,0.000000,0.283819,-0.580863,0.762919,0.000000,-0.333989,0.683539,0.649020,0.000000,-2133234.448499,4365862.454645,4117635.216846,1],    "boundingVolume": {    "region": [2.025246,0.706258,2.025347,0.706333,0.000000,6.736118]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/3_1817891.b3dm"}}}