{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949681,-0.313218,0.000000,0.000000,0.174768,-0.529899,0.829857,0.000000,-0.259380,0.786446,0.560557,0.000000,-1656107.104359,5021345.685733,3555115.873389,1],    "boundingVolume": {    "region": [1.889295,0.594925,1.889457,0.595191,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357394.b3dm"}}}