{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xa4b46a0e0c2a2cf8333a59a5849edef4ef1c25ed80cd28c0c07a669dc0e44640",
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  }
}