{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "18122",
    "entityType": "User",
    "nonce": "0x91da9c7a49ba0e6d9594a33f6147ea428f2c7877058b31758dd89ece6158a096",
    "signature": "0x6e09efa86cbf696872bebb7a4d9685a884c8ea3c96e2bd917b066c4fe0c81d7b4f70fc96ef501d6363c8e31432d4027771295ddf99305c6a5b714eabd2b2b43c1b",
    "signer": "0x1A0e34aBD5374BDd677c5de4D5D9718089cB05Eb",
    "userId": "644286186"
  }
}