{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x0f23251e6c7231fecd64cef5dd3f14e4618a2036408c7b72ae10e99e4d5c214e",
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}