{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "3407",
    "entityType": "User",
    "nonce": "0xbe975a9fea82f6aec19983832300809a7ae7bae058e64e687a3c5e47974d02f6",
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    "signer": "0x41Fd0c5C6Ee46Fb99a498db2e7135c69490cB85F",
    "userId": "507333378"
  }
}