{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950177,-0.311712,0.000000,0.000000,0.174356,-0.531483,0.828931,0.000000,-0.257843,0.785969,0.561933,0.000000,-1646296.322722,5018327.616320,3563864.297102,1],    "boundingVolume": {    "region": [1.887731,0.596674,1.887850,0.596769,0.000000,8.018115]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/5/4.b3dm"}}}