{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "321366",
    "entityType": "User",
    "nonce": "0xb1e6e95e53ad1d81d884dd3d9b188cc37c1bb73dc3095aa434cd677451149176",
    "signature": "0x887918af8c4b28e0dda0bb0e1d54f7ef4260634d7bce53252e943995cf9d861d7eae7f1cc3f8a9b6e6d0f796cae89fe15736d91a6be2f73348897d08d76918b51b",
    "signer": "0xDE3686894b1BB7886D5a1995730930c47824F3e6",
    "userId": "323456"
  }
}