{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x27877371381b6e16db5c1237835d1aa8a10a1e062df0ded0782c6946934e2b16",
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    "signer": "0xA8bf6C1d576dA3022d423C3Aa8A5EC9b3837738C",
    "userId": "695415059"
  }
}