{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107423806",
    "entityType": "User",
    "nonce": "0xac16be566bfe09f29315ae3be700d11eedb2c710598badc523506b4992a005c0",
    "signature": "0x7d5d225f12412fef00cf22c1e1c9fe2702bd9f64ba7506b67cd9072f4f0d1a79420a036ebcf5a1b35dad782534bbd1c57070d9ed685298c8244782838e3f75d01b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}