{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "978785085",
    "entityType": "User",
    "nonce": "0x221a74d922eff320f73c37daeed55ff1105479056cb7135d34b184b56c399185",
    "signature": "0x5ad30461952541c96155ac5f7aaca63db50ef685f8a16bfa92a9e61bae2cadfd7e2c001da94e068285f7d715cceb524ac0ba4a1fb9a142601f38bff28c9adfa81b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}