{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x372275f5ec422cf91fc92c7bf994b235ef6b9139b2d331a6c333d183f4e6f6cb",
    "signature": "0x16e591f188f644ffaae8e76cf7926a622ac882f7d518d8d8bc02b7fe51f109fc27af49e954f476aace95d75e4817296ef108a7998d5c85f8eab259b3b4b55bf71c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}