{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.894719,-0.446630,0.000000,0.000000,0.284512,-0.569955,0.770846,0.000000,-0.343342,0.687806,0.639562,0.000000,-2192886.470767,4392940.129769,4057462.897389,1],    "boundingVolume": {    "region": [2.033724,0.693866,2.033858,0.693990,0.000000,18.864712]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/7_984267.b3dm"}}}