{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17152",
    "entityType": "User",
    "nonce": "0x28b5b9386caff89bdaca9db39f5dc18a68f72e4855beba22698638db4703342c",
    "signature": "0x532cb2092e0aa2a4be3af259b3aa842c8f1a3114aa424b3913aa0bac8b14702313975db1c7f06fe42faabb728e7c47e5077468e6c84490e11ce420e4033346791c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}