{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.898053,-0.439886,0.000000,0.000000,0.281287,-0.574263,0.768830,0.000000,-0.337267,0.688549,0.641990,0.000000,-2154106.348805,4397732.695930,4072911.208192,1],    "boundingVolume": {    "region": [2.026222,0.697063,2.026315,0.697119,0.000000,41.155348]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/3/4/6_390916.b3dm"}}}