{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "601282125",
    "entityType": "User",
    "nonce": "0x94ec40d9ec356215bc728d67e756633ecf9cd42d61ffafc9422247f0b18ead47",
    "signature": "0xfbb25ce90edd2ba3c1987566a15884f19cfb9488b321c2435969b74e58eae94966327d18d692d94a78e9725304bbf5cd40f17fdb7382849fb9d689bf01c8a6f61b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}