{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x4c6890a6cd33a14ffd3571e33f200d72eaf9524b30e76e67933bfd774194025a",
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    "signer": "0x056bfeF3e65995E8DBe80c8C27F93Da4e3606A85",
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  }
}