{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128010",
    "entityType": "User",
    "nonce": "0x364ec0cd3bfe0b18d203eeade932f46c8b85ca429f503235854c42f389180b22",
    "signature": "0xb38268fa74a9b5c17c5879d24d6e22f586e7f8e12732985ed6a92c3f6cb1ff2954ee96de46ef66d7cbdc3403c9693be9e7db68172caf5af65b4c447706c80d531c",
    "signer": "0x9b6bD4505e2bCfA88acc8680F463a96DAddf1d0d",
    "userId": "213208842"
  }
}