{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x04b93fc0037e4c3f91b50d79c4ebd36c1e3264c7974b1a26d8501e795c0d58df",
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    "userId": "401915062"
  }
}