{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "787102835",
    "entityType": "User",
    "nonce": "0xac15e764d2ab8859c8c82f27f568d068f7277cc6387908e08390f7d9a4ef0e0a",
    "signature": "0x26b0915cabcf3534bb7692bb9f31e2d1406de692d20d40ad7ebe8800864429b474a6783b8f4b19b37557522aee9de1fac2afe175d1b2ca757c5ff6fe17577c951c",
    "signer": "0x6Af6D40d1d0B48D79D2bd3E3c8f0a45540130c0F",
    "userId": "89433"
  }
}