{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xaf8dd24623889c103c642737c089c0518514d57efd88fda32a67a065b0e8f984",
    "signature": "0x5312dd38fa568d07c8153b98bc9ded43ab32671ecc80870a3ba05d0fa27f49ff6e0c7ee2e26a90e960593c8d7ab6ad8d2b0897263153a5e6318ebf0d037b6f5c1c",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}