{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.950694,-0.310131,0.000000,0.000000,0.173276,-0.531171,0.829357,0.000000,-0.256668,0.786806,0.561301,0.000000,-1638792.211601,5023654.578407,3559842.723447,1],    "boundingVolume": {    "region": [1.886069,0.595899,1.886185,0.596014,0.000000,8.696815]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/8/14_1426243.b3dm"}}}