{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xcaae68e12e85aa8e0e5ce0f61d059b870383b5c6a932499e8d673c0661c34592",
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}