{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xf4ed593ec90e52d8513b4785a86a409448df666e828c2b5ddac0a27c54d0057a",
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}