{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xedd5206a006c62bd695eb50f152cc94467e4361e5f4b5a6692f550e7fcc35009",
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    "signer": "0x2fff57D5628D87Ce98d02775C9cF63dB765aa6c5",
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  }
}