{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949648,-0.313320,0.000000,0.000000,0.174853,-0.529966,0.829796,0.000000,-0.259446,0.786360,0.560648,0.000000,-1656526.309386,5020794.636587,3555694.892004,1],    "boundingVolume": {    "region": [1.889403,0.595035,1.889565,0.595301,0.000000,8.811738]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/6/13_1369783.b3dm"}}}