{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x9ed73b7b278d8fb1ca0e642139a12c8e34c80f3f9a130b1480fcf29792a88bdf",
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}