{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949355,-0.314205,0.000000,0.000000,0.175653,-0.530725,0.829143,0.000000,-0.259972,0.785492,0.561619,0.000000,-1659892.507018,5015276.362043,3561865.834976,1],    "boundingVolume": {    "region": [1.890367,0.596300,1.890465,0.596382,0.000000,6.695274]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/11/13_1338319.b3dm"}}}