{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "764",
    "entityType": "User",
    "nonce": "0xeadc321a0cd0c263bb926b1c5b20bd49b637c083da04a515f9be7c3889826c97",
    "signature": "0x1bfd97d623325d9b83483d954863d692337a7244437436dd417a0a26f11dc2f60f12a8a4aaff92c3a3a8439c615b9d85f6570da65bf1013fa5dc433ee14addd01b",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}