{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xec5be2edabb155b8d7db40e160ce842f7b8e23509a625e4295240baac1e265a3",
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}