{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x21505376b52c9d59ad71bcd1797dadb4683d78400e574a5ad53b1b4f8521f163",
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}