{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "699323433",
    "entityType": "User",
    "nonce": "0xde53f23d8937c9850c4e09d2cc14cff7a7459f4bee883fc902b70f5cf4438a75",
    "signature": "0xd53719e13896a5e70f231e05409143e7cd35d255168343beaee092d5355db36c3d6ae5513d8788199a809e084fb8f483b916ad0a72ee1b799fed9c54a8a4d5cd1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}