{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xaeee325aa428a70243e5dca4afe59a2ab4786396d4ac0c259888541f8068191b",
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}