{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x739fa28c014f7e206031852c64392c726711338d36bee731f2d48081e2eb7124",
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    "userId": "718442907"
  }
}