{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x8f3c89f9197c8aaf02fb5fbe8dc0b6f0095e1ff195bbbf48fa8d46fd95e3877e",
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    "userId": "787931165"
  }
}