{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "194973",
    "entityType": "User",
    "nonce": "0xd276f2d1045d17a1f5cc958fd46463e704328b57f1629567c3c01c29317fd20a",
    "signature": "0xc501b2d989d2d23f5dfff5980bcfe90caf6f05ec1f58c69d79666c8265bda316277b2e88f315d1dd2d4d3f3f2f1cf4aa4f44c42b3a4c29e015192136e81887691c",
    "signer": "0x1912FC6B7317125d52bbb01C67381C923FA92aCe",
    "userId": "763473"
  }
}