{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "172308830",
    "entityType": "User",
    "nonce": "0x5311786b434839576d403a1c880c59a6d0feb69316a9ac4933fc5374736fa10f",
    "signature": "0xcc2ad8977c5f1736666ad4383422e46caebc2630d6996de05dd1527ab223c3795bfba4038812d89dfbfd960eb2aa0ee0b9d757ee7366aa7f4c9a6f9690efa6c11b",
    "signer": "0x27eB4b469aE053b72c26B3e9c68a655390Fe24fB",
    "userId": "42216"
  }
}