{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x4fc42896a2495eb3a1e71892cf3d15125f8fa1252be0f9685ba046bdd73261d0",
    "signature": "0xddc0c6522a9d26b1b43066417d216e4c1ec96da68c12c810665bb003b6395912030b4a561ee59f9238cf9dde9f678532a55fc36487e892dfc58fbf073b9cf2ea1c",
    "signer": "0x66897996b38D5FBFfa383eD077e429C63B8AD506",
    "userId": "904230991"
  }
}