{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "38277",
    "entityType": "User",
    "nonce": "0xa677551f1f0b077da7f7a743206972c22756e85c66f309ae1f041343f29f5e6a",
    "signature": "0x8fbbd1b3ad59b756ca8eb16ceed21fdc02dc8eb2ff00e5533e6e821e5b9ec66b43d5cb03f2c86b784758eb17be7e48763368807c5250b9ccffd67aa57c08acb81c",
    "signer": "0x1080460F21DCc82D7160d2C77DaAb22a92c4dD22",
    "userId": "162106877"
  }
}