{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0xcaa2009d38f57c0ac279ddbe3f1218bfc42c41eaa82befc2db6750750954f9e9",
    "signature": "0x9c1776ab3092862d019584ac46783b075946691da16dc4de84d4cc32399ccc55610f036e07bc5ea275a49f288f27d5fb3be8626493656fa8e8a38d6f05c6cae91b",
    "signer": "0x4Aa8154A33F33394BA8De574d71aC98Ba6A47D5a",
    "userId": "645720561"
  }
}