{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944166,-0.329470,0.000000,0.000000,0.184243,-0.527987,0.829026,0.000000,-0.272563,0.781088,0.561792,0.000000,-1740284.458450,4987159.317478,3562966.104548,1],    "boundingVolume": {    "region": [1.906508,0.596530,1.906568,0.596572,0.000000,8.818020]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/8.b3dm"}}}