{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "30763",
    "entityType": "User",
    "nonce": "0x1413a90b5c8ad419fd15f942cff4f4d7740c9e40dad739e713fdb0a164cc92db",
    "signature": "0x279025c562679402017ea5758bf645d331aea9bdee0b3778e3041bdf954796247c474f3017873f194742bc4d8b6f105f57a4a9e50df8c211b728eac7502223d21c",
    "signer": "0x243f92B83d056f818b9b95664A8B7A86805A3E71",
    "userId": "111448"
  }
}