{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "15926",
    "entityType": "User",
    "nonce": "0x02b530b6318557f1f496e9bc44cde904111a7e770c9708dd33ba1949a57cc2d1",
    "signature": "0xd3f4db7d1e3f1b3f74768b1fc912c8ae0bd294a22effc1830fb6674518e1fadf7a03af0c95e4cc8adc5a8d98d1ea20631a9f76c1ef7c82e75c8de3abd9b05bef1c",
    "signer": "0x2B55314d733BC60522711F9B9914f271d97aDD6B",
    "userId": "224685891"
  }
}