{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949291,-0.314399,0.000000,0.000000,0.175426,-0.529677,0.829860,0.000000,-0.260360,0.786125,0.560553,0.000000,-1662361.010038,5019296.703239,3555090.687173,1],    "boundingVolume": {    "region": [1.890539,0.594921,1.890701,0.595186,0.000000,12.174147]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/14/13_1457770.b3dm"}}}