{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa658e59bbf3bfe91966c5dace2253427c576a23a5a05688cd9a78c07a37f1cd2",
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  }
}