{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xdcd319b86e11abcd32b976b25748443892924bc833ad322f18e27edf4e763b78",
    "signature": "0x6efe4bdcded92f6176d11760a70db7b87b84e40cdbc2ce40820ba0053427aa850a2e91d5d57af212d7a754aacf9c31f37c410df4d8efc0091017fa12873ace911b",
    "signer": "0x9BF67aAC36dfbc7ff94F241caD19Fb7C6AaDd059",
    "userId": "793451567"
  }
}