{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "343",
    "entityType": "User",
    "nonce": "0xa4b13e860c07667ed6e80db85a92930459f44c273408874f948dd18a5f0d7b7a",
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    "signer": "0x25E1Cc64Bd72FaD56C1D4C44e1fc2307BdcDa0c5",
    "userId": "7892"
  }
}