{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1228",
    "entityType": "User",
    "nonce": "0x1c9ae6b841e4e1f237a83e1f61ac99f8565ec73af1bebbeae577c87e934ee719",
    "signature": "0xe6b01ba2ea3ec09205db0980c18c89d088ee50a58592ae33debf3dd059d64974415a14423492d0d8a4b41ff0d8086f633799510096f92771af6413af19ea193a1b",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}