{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0xdb28ddc5a2cce1223bc56d933a1aa30850cc9d7fbabadc5cfa351fa0944a54cb",
    "signature": "0x9e57b9469209c2b0572cab3fd31406aaec0e3bdad83ba328b5cf512b44d6abd43c92cfa5483be342961d6e0ec74db2c0ce40d98aec816c9b162dfe0c64374dd41b",
    "signer": "0x05aba01c97C4F182D989670622abE9c797782dD2",
    "userId": "508263176"
  }
}