{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x77d403060f0debeebcba3d4da6402a9f3e6cf80e2963139a4a1da16cb15f5bba",
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}