{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x6aa22558d05ec18adc538183e18fc5e1c1d72d371057a3e32d595f884ed26eae",
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}