{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950956,-0.309326,0.000000,0.000000,0.116070,-0.356834,0.926929,0.000000,-0.286450,0.880631,0.377406,0.000000,-1827891.722249,5619463.397190,2392176.362191,1],    "boundingVolume": {    "region": [1.885248,0.386977,1.885313,0.387011,0.000000,3.717662]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/21/17.b3dm"}}}