{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227069",
    "entityType": "User",
    "nonce": "0x323695c3ec96b64c8b13b19fb414fdc33d8f3912f1a344bb339081853c6bf800",
    "signature": "0x0a0888622bbd6af62431d59d46cfb6ad2cd8a3949b65624149705ca71731000a2f3262d7d79229852a8f190f0fd29d33bf7f48bd6ec7b800b936e87582ffd2b61c",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}