{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944149,-0.329519,0.000000,0.000000,0.184224,-0.527844,0.829122,0.000000,-0.272636,0.781165,0.561650,0.000000,-1740748.954247,4987646.244718,3562063.569222,1],    "boundingVolume": {    "region": [1.906534,0.596342,1.906648,0.596416,0.000000,8.804085]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/6_191818.b3dm"}}}