{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.858912,-0.512123,0.000000,0.000000,0.262003,-0.439421,0.859223,0.000000,-0.439250,0.736694,0.514141,0.000000,-2804081.801493,4702899.438181,3260193.329336,1],    "boundingVolume": {    "region": [2.108368,0.539943,2.108533,0.540068,0.000000,37.667233]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/0/4_219690.b3dm"}}}