{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbc5d28e10850eb831e5f25bdd7ffd1711ca61eed59f5f1bbb47a25cc55922cd8",
    "signature": "0xa61bedd5ad445190f5584f94b2829df01d7ccb47e6ca1a910adbb12ce65b433e6eeec7bf44e406b5ecf25e091905e0aa997ba5a47b850550668f2170cedf26221c",
    "signer": "0x965d76a662ebC730ea659E220285533F8FD73608",
    "userId": "253077004"
  }
}