{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950689,-0.310146,0.000000,0.000000,0.173260,-0.531093,0.829410,0.000000,-0.256697,0.786852,0.561222,0.000000,-1638980.058720,5023950.510633,3559341.949359,1],    "boundingVolume": {    "region": [1.886086,0.595804,1.886201,0.595919,0.000000,8.747232]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/13_1425564.b3dm"}}}