{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf6e57af7b711589b6107992477b75e0f1f7ca5e6b1f494beb97aaf9bf7a09a58",
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}