{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "761567",
    "entityType": "User",
    "nonce": "0x4ac67833032bd1b93d0e6da56cf96e156b639a507bab3cf91564c46499fc5e67",
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    "signer": "0x55F8937EF7902E83b15F5BB7c7bf72a0a2989C54",
    "userId": "233666542"
  }
}