{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "61852",
    "entityType": "User",
    "nonce": "0x0590d54fdf225adce4587ff4083807ae51babe7cd8a3c0bf69a1fcaccff8a8ba",
    "signature": "0x9619c2952a232404868d8286624f045e4f6bd291087c2a33422eaa0dddaea82935fd2f210c5ff6a87d76876bbda8935d522564e00262ed61797fa0d334ebaa7f1c",
    "signer": "0x6754A920da1003d0904BdFf228A6E217Cd12bF5E",
    "userId": "105562689"
  }
}