{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd452094e3ddf56a03f3e108222771c2503093f166968cf3fc99310ac20dcb2c3",
    "signature": "0xdb59057607e7065bc0bab042cc5be1820eae1eff8612c0c6b2fae212c7f7c9ed02f19679a6c3844a67efbc1423cf2f71d74342b5942707ddf5aa1964a834029c1c",
    "signer": "0x30AAC531D4A5969c8e4A40AB88f0B68aE8C6c95a",
    "userId": "511827313"
  }
}