{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "82668",
    "entityType": "User",
    "nonce": "0x5ff5417f86c16c63ad733e104991cc51dcc708945f5cf7cfb1fe7285a54b7041",
    "signature": "0x5ad98ff0c6d3a76747fcfd73fbd86433ba27c2736081456c500349e4f16217d3212ca60d993c279389accf7d52f1831b92c4ec9d14398915d13b0783d9e77ec01c",
    "signer": "0x243A439c272133AEEE0073AF4986dE391C430866",
    "userId": "77551267"
  }
}