{
  "manageEntity": {
    "action": "Save",
    "entityId": "46075",
    "entityType": "Playlist",
    "metadata": "{\"is_save_of_repost\":false}",
    "nonce": "0x3534e289f8f6c9d1495e5810eb0095159ac4dfaea9c7834c2faf9877a40bc361",
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    "signer": "0xb0C0D4aeB9E54C4134CC1a365917De16510FE5d2",
    "userId": "430326864"
  }
}