{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x0fcef126f7f5852cc0b765d87d6636d06e880c06ce1e6a858564042252f75860",
    "signature": "0x9312ba9b526db4e914ad3525a4e3e9191dfcddbd6acb523ffee86fcd8fece8ab194fe093958dc986e039703108c348a8b287b019c8440e8e939cffba2847d0cd1c",
    "signer": "0x47D0812226093412F9Ce50Dbbe1ac48Eaa5c5BeE",
    "userId": "61400347"
  }
}