{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949471,-0.313855,0.000000,0.000000,0.175121,-0.529774,0.829862,0.000000,-0.259910,0.786277,0.560550,0.000000,-1659488.210444,5020262.901645,3555068.726056,1],    "boundingVolume": {    "region": [1.889966,0.594916,1.890128,0.595182,0.000000,8.694323]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/10/13_1370721.b3dm"}}}