{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "341",
    "entityType": "User",
    "nonce": "0x57a2bc4155d663fcfc4747b3fcbfbfbc7c5103dc05e6020bf31ba5bcb795a011",
    "signature": "0xaa7e41e42b1ba32feaf5364b416e800ece2ca5d788cbe60cfe59f10fc52c8b571659c2eb486f844cf67f91698d88ce5c463e95a2d863f8d5225a1aedb375a75b1b",
    "signer": "0x98591a180A20DF036EB2C9D2c24B449E65939Df5",
    "userId": "338604526"
  }
}