{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa1cf1ccf3a8fd13db7b9c362441fdb7c9174ce7d27af5984a16bf1b49a01411c",
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}