{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "184918",
    "entityType": "User",
    "nonce": "0x842c8c8c58254856db162140eccaf851d7c07ea42e84fed6cae4577313e638ff",
    "signature": "0xf265ce9c91bd0a1684d97388607c8e3b268b496abb4f4d6c95d43888af7cf67069a7a2574c994d615245bcec1276f33821bdd70aea0f5f9ecd6cb67f7f6eb8cb1b",
    "signer": "0xd9e78908f0BeE3B3Ba494c4830051e688d199d3d",
    "userId": "379263871"
  }
}