{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943976,-0.330013,0.000000,0.000000,0.184378,-0.527398,0.829371,0.000000,-0.273127,0.781259,0.561281,0.000000,-1743883.942831,4988238.716173,3559715.558539,1],    "boundingVolume": {    "region": [1.907066,0.595875,1.907162,0.595990,0.000000,8.639827]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/9_1298145.b3dm"}}}