{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbeef195e6970f51ab42c1e5a84a1fe358ec66f5c4c820fe83e1566ab911b4d07",
    "signature": "0x13205738cc70b3be3e833222c346cdebbe64880b5d1768b626575e86fa335b001c002b6485278ddbcd5a28e874ed549dca69bd8516969647ff0f3eabc89677fb1c",
    "signer": "0x724B74153EA55dBD831703448ecb062d323aB065",
    "userId": "572024306"
  }
}