{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x151813c97bb2e89b1d4565a12cc557e9e67f14e617ba3a0c123370f569c3f701",
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}