{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "124312",
    "entityType": "User",
    "nonce": "0xabc2e8729729935a5cc387572be31e44a8059596631073960d2b76b62c4c04bb",
    "signature": "0xd69df168dde470f4cea54d700ca81c7c37a529cec45eac39652822a6e7bab4e923c85dadf6195715f6eaf8b3eada2181d2281d7db20800e1f1c9e544b1df0deb1b",
    "signer": "0xE534A1ad2e8E1f616866185D1efDf463B0eD38b4",
    "userId": "353625"
  }
}