{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb7dd7a5bc38a3162794ca44d321da8b44edc658b9358237e7b3b180c54053dd9",
    "signature": "0x60a6f2445b96eed5a75b02b23a4c5af564d2dec801b09aa50f674148ca9e1d0563fcb28e06b5c2c469cbb4256f78b9ba2cdb3fac27840e2b61f0e95916df32d91c",
    "signer": "0x16a54865620979587337abf52693F71E16a95Bac",
    "userId": "219724044"
  }
}