{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331028",
    "entityType": "User",
    "nonce": "0xf13b1fbbf9df135c9a1b436050bb0ea5d6526973117661509d68d4005623179f",
    "signature": "0x3357cf0418dda4004e923e6c2554aa019b0c5351dc7ee5e62830fdcc5bb855f871c417623f2b34c0c49f5745d8da5d619b161612d490f0120e2c562f2004b00e1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}