{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "155973826",
    "entityType": "User",
    "nonce": "0x74815b9ed9fac681c4604896885b74ce04372aa0937c783523c3384e47b4e407",
    "signature": "0x515475add7503d755729648f3385446d6aa8ea7f52ac713d880279bee5c431066c4c65b4ab8ae97a0b40bc5877a2014ecf8ff3e2fde7ff4918523c6c03b64cf91b",
    "signer": "0x07024945569e5721E4d506B01fB850443CF99F65",
    "userId": "871280797"
  }
}