{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60018",
    "entityType": "User",
    "nonce": "0x02cdeb2f51e0823bb461d7ce387a854c408cb7caf49031276f8b43a349eae383",
    "signature": "0x45f957850e1623b4d9f169a2f3627e099c068619d5e2fe1ab34e879d3c01ca401e9b979e348e3e9231db334bcc70179f929fea4c1e488fb76b844d99a2543f821c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}