{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "689522885",
    "entityType": "User",
    "nonce": "0x91185c4b1eca4ef12c2958c763f049d61486c7c95d81d6b388e22906f5d922ee",
    "signature": "0x2ead7f7e2a7cb3b9a899c08fb936bcf346ec4370ccd6d3d373d5a8fdcbbe9aa35881cfb9845393de609f4d99c9f0b41f8e93fd83453e3a1c175265784fb7504e1b",
    "signer": "0x350266070634B844e53111Da688884106bd3E443",
    "userId": "753462297"
  }
}