{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949235,-0.314569,0.000000,0.000000,0.175714,-0.530230,0.829446,0.000000,-0.260369,0.785683,0.561168,0.000000,-1662424.295338,5016484.224161,3559002.285013,1],    "boundingVolume": {    "region": [1.890730,0.595744,1.890868,0.595850,0.000000,6.581312]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/3/7_1363327.b3dm"}}}