{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "234326",
    "entityType": "User",
    "nonce": "0xfa29afdd306bb4b62fd24aa2ae4356b0bc6b264ac2106780fe0a3e694f3ecfbf",
    "signature": "0x7cd83cf1a3a898d9cf40bf5494452d4e630e3c0da6a5160bb69567ddb94326c45e9297627f71c4d9541b90d5a2c3af6a26e4be4e5ede0a0f82a97a3f5cbdcc8f1c",
    "signer": "0xDE3686894b1BB7886D5a1995730930c47824F3e6",
    "userId": "323456"
  }
}