{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "367647512",
    "entityType": "User",
    "nonce": "0xb50d81abbddfcef5efb73757a486257aa59d84d7b2c5827cfe726fe4d5f279ec",
    "signature": "0x492441b78e04f3643ed5297a1efc7e181e33969d6fbe5d2d0eb4ab9f0b091c472e8a3063c65acd86729452a2eae6e6c4650e377a6165d71cbd366cc63b629cce1b",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}