{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949687,-0.313201,0.000000,0.000000,0.174760,-0.529908,0.829853,0.000000,-0.259365,0.786447,0.560563,0.000000,-1656011.016379,5021349.481869,3555155.007763,1],    "boundingVolume": {    "region": [1.889277,0.594933,1.889439,0.595199,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1357368.b3dm"}}}