{
  "manageEntity": {
    "action": "Save",
    "entityId": "118570181",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3b9797a555141f282b9f0454eaeebc694fe2f0cde45c06ccd11f28092db6c3a6",
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    "signer": "0xd2d78f9b62b3956830b58248CcD3C59911Dd6E58",
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  }
}