{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.948463,-0.316888,0.000000,0.000000,0.115826,-0.346674,0.930807,0.000000,-0.294695,0.882039,0.367643,0.000000,-1880459.152554,5628315.013917,2330231.692278,1],    "boundingVolume": {    "region": [1.893195,0.376446,1.893291,0.376500,0.000000,20.208755]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/5/18/8_29801.b3dm"}}}