{
  "manageEntity": {
    "action": "Save",
    "entityId": "868731473",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4207e05873a072127fb6b36bc17f5abbe2091f3030b9ec0ee5c04e95e5f228bc",
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    "signer": "0x1d868e2cc29848871636BdCF83a08A975835b6DD",
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  }
}