{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x96378f025c28e07636476f227dd87f6ab8e1ed5962e132e29818efe565ba0351",
    "signature": "0x8a569de0f690720ec4df84b02f80dd7983f9cda016f31fd7e1a57c549ead8f87420f9eb3b17a615e55f428b77d877a60a79adce839ec20e2addc130fe10ddd341b",
    "signer": "0x5f3852d015B3133B018eC7fc4a78D57d179a01FB",
    "userId": "469362126"
  }
}