{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "407905",
    "entityType": "User",
    "nonce": "0x1efa6cdb0a98586ddff4e0af2381f82cfa0e4262a1db097f382339d21e5cfd71",
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    "signer": "0x40aE1C539711FBaE3930131b028D9c764fD8EaCb",
    "userId": "35251"
  }
}