{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "607647194",
    "entityType": "User",
    "nonce": "0x02e5a1edb5fb53e311cef232d0099e846f0f13ccadde5ea91bb8a5327fc213c4",
    "signature": "0xc9f0d1523c0731a1f68ee154e6739f1a37bc976d2bc9a43dd4e03084aa57ae76335f5b7f409d52220da340de243bc183d4650384a29bb8ac7d039d0daa646ba11c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}