{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x07a7cabb1b8a5bbcd3c88d718ed4bf3f832ecf2c0ac8c0cca5f2deeebbe3369c",
    "signature": "0x6969d6efa9c92a275055e8fa8869fb52503338e2ab8e05094da12d8bf5f9e7343c367c6f8aaaa3ec7322da8c7cadb1421b36d32c8b5c531ba57badc47654d6811b",
    "signer": "0x020296a15ae426138184c41aa4A2021167B46F98",
    "userId": "854107880"
  }
}