{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1646345",
    "entityType": "User",
    "nonce": "0xa7d9fa6aba8cf21c81f8bab13056a780c427f933237ae25e0e48d1afc2204d87",
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    "signer": "0xbBd5eA31228BfBbDD8CF5C81051073108eC9798F",
    "userId": "94407"
  }
}