{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "389177",
    "entityType": "User",
    "nonce": "0xd1c0d373f1e6c206ec5a794742359f2177b92bca0dc652a4eb857920dd2d5903",
    "signature": "0x1a71e2518304e19742b8aab5d8b80bff81535b690f2dd5cac3de31d572bc71ad26ad0253cf567af33b20fbd9905ca3d0e12c07ca85a8eac67bd378adee72de331c",
    "signer": "0x82cA7Df5542CB66161Dd9E12fb343f69580ed64a",
    "userId": "102548476"
  }
}