{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "397066",
    "entityType": "User",
    "nonce": "0x4347504257a9d80ca46a7bdc62802992b18d3aec00eb0de44399229a5a57225a",
    "signature": "0x7eea55ef1791eb6400283b928bb25830c6f554de4e05ec82206a7e4b534e4e474a840c3b22ace21e53b8c16fb5e35a3488a4fcdc4efcc5d3f3ea89c7ce3ce97b1c",
    "signer": "0xBe0B2B2beC4B0A46ff11169512DF7f66E775c0B3",
    "userId": "196632465"
  }
}