{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.949337,-0.314261,0.000000,0.000000,0.175396,-0.529845,0.829759,0.000000,-0.260214,0.786067,0.560703,0.000000,-1661427.585038,5018926.233094,3556043.517516,1],    "boundingVolume": {    "region": [1.890394,0.595102,1.890556,0.595367,0.000000,7.441924]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/13/13_1368985.b3dm"}}}