{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "593684426",
    "entityType": "User",
    "nonce": "0xe450364f74a678d96eaa558f47abe4a9430cd681f4376d56ed9dc431bc084630",
    "signature": "0xe94bff89ebd45a221edf978521bbbded5d7f2ac499bcffe8881b09e0872253dd30f107946d81496a1e63848a4a6314e219997460cb6a3bc3daed6768d07ee0ef1b",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}