{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948773,-0.315958,0.000000,0.000000,0.176332,-0.529498,0.829783,0.000000,-0.261626,0.785622,0.560668,0.000000,-1670446.093124,5016088.105504,3555824.533886,1],    "boundingVolume": {    "region": [1.892215,0.595081,1.892311,0.595304,0.000000,8.762032]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/13_1179493.b3dm"}}}