{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948819,-0.315821,0.000000,0.000000,0.176305,-0.529673,0.829677,0.000000,-0.261479,0.785559,0.560826,0.000000,-1669506.355301,5015687.310769,3556824.363208,1],    "boundingVolume": {    "region": [1.892070,0.595271,1.892166,0.595494,0.000000,8.792748]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/14_1180323.b3dm"}}}