{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948659,-0.316301,0.000000,0.000000,0.115928,-0.347695,0.930413,0.000000,-0.294023,0.881844,0.368648,0.000000,-1876175.442875,5627082.444930,2336609.622046,1],    "boundingVolume": {    "region": [1.892572,0.377515,1.892676,0.377593,0.000000,12.797373]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/7/8_17534.b3dm"}}}