{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13742",
    "entityType": "User",
    "nonce": "0xbeb4657ad7372a1f329ea460c72e3a75c96ecab23008177ef76f1a4c39277575",
    "signature": "0xb4326f42b8e97e1c4a68235c2324b98d2d9f74764da0dbe8e077f85d073efb6e324938c507104a51ea7e1d63b04ece5cde94f5019c449473ff2fa20b7ad89d5c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}