{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "183245",
    "entityType": "User",
    "nonce": "0xd972a7f975c5b064fa6a342711604d35eecac474ee1dfaca740e9def96aedf10",
    "signature": "0xc69ac59ecc394b4be9e868a261b70b284805eb12d7d00222d816dcc065277fa01643e59e2ce190d265a666e80339c592ccad8cad17ea5e0680c65d3b5bf6b9121b",
    "signer": "0x87D061690DA9303B273AD54F96fAf50058d2b73F",
    "userId": "318437"
  }
}