{
  "manageEntity": {
    "action": "Save",
    "entityId": "1927776825",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0xc94c69d6caa7ef00863757705ddb80fb2b5588c23ec38e8e6a563c19352c8fc3",
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    "signer": "0x84Eb3Dfa8e07C0d2285f5e49245F582fdF6eb1fb",
    "userId": "94040808"
  }
}