{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x4a113617cd9a6aed58128e095e98a3d4a4766a80fe0db2594839da11dbbe9dfc",
    "signature": "0xe68de8ef879d9182dbd61b69da2da9b798a2ef176239a3a5c70ea764c5b5dbfe73538fbace91dd956283fa1a2cd2690228beead3e78abd80f8e9a6b4d2614f3a1b",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}