{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "10678",
    "entityType": "User",
    "nonce": "0xc4397b069bb20b57039a28a952a8803bc5371ed660ffbe639f7a3b6e6954f71c",
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    "signer": "0xA316F383418F855219413d2CE97fB46cC5F87aCc",
    "userId": "175353"
  }
}