{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949160,-0.314794,0.000000,0.000000,0.175842,-0.530195,0.829441,0.000000,-0.260554,0.785616,0.561176,0.000000,-1663605.175831,5016058.422963,3559050.320762,1],    "boundingVolume": {    "region": [1.890968,0.595753,1.891105,0.595859,0.000000,11.469352]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/5/7_1363091.b3dm"}}}