{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1422295",
    "entityType": "User",
    "nonce": "0x7ff852853a05ac4cb434d17a32c08e525a6ee7cd938ec0a1d363609ec61228a9",
    "signature": "0x04ea417ebddcb77cc1d6c0f1765b499f74d30cb59e930c3753acd9ea01dc6f46175141f250cad0f1d286a27df2c16a2847d18723b0b4eba8d7752adf3cb51ed51c",
    "signer": "0xd0861E53C8153F0B58Ef47509E07593Ff64905bE",
    "userId": "519642401"
  }
}