{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950647,-0.310274,0.000000,0.000000,0.173594,-0.531872,0.828841,0.000000,-0.256625,0.786273,0.562066,0.000000,-1638525.461268,5020266.101047,3564709.574827,1],    "boundingVolume": {    "region": [1.886195,0.596798,1.886361,0.596967,0.000000,8.821139]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/6/4_1396400.b3dm"}}}