{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x801aada9e7c6323ef84bc4e16e08ace1e8bdc8b994cb9d08a65699c14b950beb",
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}