{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949356,-0.314202,0.000000,0.000000,0.175705,-0.530891,0.829025,0.000000,-0.259932,0.785381,0.561793,0.000000,-1659636.883407,5014569.127160,3562973.065609,1],    "boundingVolume": {    "region": [1.890361,0.596541,1.890463,0.596563,0.000000,8.523431]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/12/7_1337775.b3dm"}}}