{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "343257",
    "entityType": "User",
    "nonce": "0xe4369841a8d26979453de4b8d817ba9c45a420377959b2c5121aacf6bc5e9cdf",
    "signature": "0xe5a1fc9779fabae974a84008e3946e4285bc568e06c220fa13d97b49dd6b9f11447b82348d9406d515b0a2f8d600d46256d4db44cfb6ebad2d55294e46b917ef1b",
    "signer": "0x4A868B813a8F5D7C187F9f07a2D7e7A24355Cf3f",
    "userId": "185302"
  }
}