{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "714646433",
    "entityType": "User",
    "nonce": "0x520dc02e71b57a6d2492feefd4d90c007a65dd5c528fff23e0db84ed9b3db9e5",
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    "signer": "0xb5902ac1A81A6B795210DdEB50e8F1FdaC9aed97",
    "userId": "842982090"
  }
}