{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "187373",
    "entityType": "User",
    "nonce": "0x9cf9ba86026e5558c4ef3932e061f566dbbe14a06aeefe8c1280e9446be31717",
    "signature": "0x43db614309d0480796e5d51878fa11e494cdfee5fff6726cfca2641c88aae45c7f2026d98ca777c841c276fd6483e95bde10b91f5f41821c77b8b966217e28c11c",
    "signer": "0x6D7f9B90BAFd6B52f8d961a1106d927aCCE656C7",
    "userId": "94304"
  }
}