{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0xf67735bc055e2fe113cc0f305a2f11a71d6d888eff4d78d1e9f4cf7ab98120fd",
    "signature": "0x0a12d1d9ee60f9302eace640aacc1b0c90469e9f53511940c558947a35de9e315f636fec073ea002141d5c8a4212b1cc4278cae87e8d145342865f1bac0e7b411c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}