{
  "manageEntity": {
    "action": "Save",
    "entityId": "4281",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x93344113f70beeb6b0711eccf144ef8cb942489ca32fc613b43a80feae202b35",
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    "signer": "0x2fff57D5628D87Ce98d02775C9cF63dB765aa6c5",
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  }
}