{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x00f91ab2f1579521a46919cbaa2079ec93086ac5c2ce0f0e4a5db695b6414bc2",
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  }
}