{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x881c2f5a8987cd39e22c7342519e84a8bfa433e4a42cf367a7dcdc7d6f755073",
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}