{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "18192",
    "entityType": "User",
    "nonce": "0x2db6d818c48ece46be64d82fdf28db90e9ce4ab610d76ce4a914968f68282fa5",
    "signature": "0x000b49625d708f4f48d836fe64733ca7843c4db26aae111e11b24c97c30094836bad85bf2b4255330043f7ef05c0df1b3759a6776185d03f92f6610b81d1a69b1b",
    "signer": "0xe1eAe9Fa3Fef187944BA6cBa5C534e1ea257CA4E",
    "userId": "344552512"
  }
}