{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.944003,-0.329938,0.000000,0.000000,0.184316,-0.527357,0.829410,0.000000,-0.273078,0.781319,0.561222,0.000000,-1743568.942484,4988618.796986,3559339.745729,1],    "boundingVolume": {    "region": [1.906986,0.595804,1.907082,0.595918,0.000000,8.566059]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/7/8_1271810.b3dm"}}}