{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949322,-0.314305,0.000000,0.000000,0.175219,-0.529227,0.830191,0.000000,-0.260387,0.786468,0.560060,0.000000,-1662530.346245,5021473.092624,3551957.798680,1],    "boundingVolume": {    "region": [1.890440,0.594325,1.890602,0.594591,0.000000,8.796356]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/10_1461961.b3dm"}}}