{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x834b128d09f354b6cc3ea0096145cbae4e42bd835562ca6cf0b737fd4942bf9a",
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}