{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1247710",
    "entityType": "User",
    "nonce": "0xb98a665455630cbeba5367f75139d7f92e2d72d223533545ae7b530abbb048e3",
    "signature": "0xf914dcb2aae30de42eb9a3117acad8b8d43300a06fc0f091fc0818222a1ad5ba2f37b09df7bc6a2b1119ffb6f9dcb93de18d3ff85e220457102b1f971498b25e1b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}