{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949336,-0.314263,0.000000,0.000000,0.175394,-0.529836,0.829765,0.000000,-0.260217,0.786072,0.560694,0.000000,-1661447.669388,5018959.434768,3555987.649571,1],    "boundingVolume": {    "region": [1.890395,0.595091,1.890557,0.595357,0.000000,8.376606]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1369098.b3dm"}}}