{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "612284225",
    "entityType": "User",
    "nonce": "0xeb3089db836b851809b41d0a53b1a3dd2800494abf0c94c120b1600b4a0ef748",
    "signature": "0x0283ad7b5cd6c1d2ecddbd8469b6be3471c36e0bffbeb906e27793a0f1ed46755310b52c77abf2ec6e28d4af5b12af3f4c7fa3f9457488e944bde2b7227c84041c",
    "signer": "0x833ef27c5e676B068b59D1f7945C3183e1756C2c",
    "userId": "411919841"
  }
}