{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x129d7ceeb2cc53c387f4b0ea6a64477ff79436cdd9df9eb1804a48adede6be00",
    "signature": "0x047e45d6c4deb3b8574bd585d3fd08061a03e239bed348d3ad3832c8bcd7381065974011e874a9b285392d89e8f41a86a2468f841f74766856a9803c3101d8fa1c",
    "signer": "0x815583947a7E1A62F9c2721a9aB961bB67Ef5c99",
    "userId": "361770236"
  }
}