{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf05b7398912cd7cb5693ef6847a7991ee5db6a65096e5cf46736c2124f05502c",
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}