{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4e57bb69acf5474f9f6bde0408906c09e1e904ff8a31aad13762063ae5efd373",
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}