{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949128,-0.314890,0.000000,0.000000,0.175722,-0.529653,0.829813,0.000000,-0.260751,0.785945,0.560624,0.000000,-1664860.632486,5018147.857493,3555539.755273,1],    "boundingVolume": {    "region": [1.891069,0.595086,1.891206,0.595192,0.000000,8.675498]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/1_1369959.b3dm"}}}