{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "190321",
    "entityType": "User",
    "nonce": "0x2d18f6606b835a122dc8a8ce7069db3a92afdfd61034dad84f1e0f1b81f8e090",
    "signature": "0x41fbe0b836a1f1bc6c047f8ffc2ce4b5d71b66ce430b9172eb4842a3e3d43cee4c3ee803f5a3c6e987f1bdabc17148b2742f9625910eec4e7f191884b4b312d91c",
    "signer": "0xC62805380240e2b2e0BABD721809623fc67E86C6",
    "userId": "483085688"
  }
}