{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa5f724f3e90bb311ad3de3cae491e710bbfc8f8c93574874f0e2862d9d314117",
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}