{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0xa058323a578595d22636b02a672bbf211dfbe2878a6d715d1eb69ba31209adf0",
    "signature": "0x3c3e8af00e237eb8baba81d5a80444128e51854724b5a6b9f3148b785796dd6360d267e27cf6f1f30a2b0e6559075dda6d6a641109a8094627a7745f44cffb6a1b",
    "signer": "0xd12A323399559A3773F865c8F21031bc39c29135",
    "userId": "219968466"
  }
}