{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x95d5c509e9d53c0c867f4a1c346b1c0cf34568602c73cc2c37bd456f987e3aa4",
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}