{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949165,-0.314779,0.000000,0.000000,0.175828,-0.530180,0.829454,0.000000,-0.260546,0.785633,0.561157,0.000000,-1663550.105889,5016165.369732,3558926.165846,1],    "boundingVolume": {    "region": [1.890951,0.595729,1.891089,0.595836,0.000000,12.426499]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363752.b3dm"}}}