{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x2e6c5cc05c37ddbac198a0b6c11d2e1ea21f9da3c6436daa696e84a92777c567",
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}