{
  "manageEntity": {
    "action": "Save",
    "entityId": "1590632777",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x57cea6cc705a631ec602c33ba1c123650d7d4ec2c91c1d8eb9b9e6ce179e36d5",
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  }
}