{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "41990",
    "entityType": "User",
    "nonce": "0x9889c64f336492e089b708b7773aba0b2e1b1e2061638402193321bdc1dea67c",
    "signature": "0x4c900db8dad1baa1c96209bedfcb1d9245692a86022b1fcfacf4a0281befc020214eab351ad553d26d7a1346ae987e12461cd25396f10a71c480c72d34d0766e1b",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}