{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x5ebd6da533d9206f795b7ac68a7728d5337a348fbc9d60a740f9004571be30a5",
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}