{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5e5f917c7174299e4c9186c555fbccf806c8cd3ba8d40c104015f5a18020e5c9",
    "signature": "0xc97d389aef44e5550bd8442bb087c1fecb6ff0446ef832ae58e32e838a657de60b97c2d5773315ffeffc31375a17b8d8cc695f975d90fa053805292923865e3c1c",
    "signer": "0x0fe82f565AaE260D57b8e691c61Fb05fE83B6F81",
    "userId": "614212580"
  }
}