{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898099,-0.439793,0.000000,0.000000,0.284383,-0.580738,0.762804,0.000000,-0.334531,0.683145,0.649155,0.000000,-2136700.860815,4363348.762575,4118496.469080,1],    "boundingVolume": {    "region": [2.026098,0.706362,2.026230,0.706585,0.000000,15.181416]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1821876.b3dm"}}}