{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18115",
    "entityType": "User",
    "nonce": "0x21b51aa4326377f3a5e3a3bb892a3256b716474490fb0c548e631cd896be0808",
    "signature": "0xc781fec7fad862a93bc6990b4d3e99a727f95a24d658fc59f8a2d2200c5467fc2813bccc42258b014d23ede0e4456cbc4596baade1cf06f459bb22f7a9aaa6481c",
    "signer": "0x41Fd0c5C6Ee46Fb99a498db2e7135c69490cB85F",
    "userId": "507333378"
  }
}