{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "16326",
    "entityType": "User",
    "nonce": "0xb98c5402707e7a37dd2229ca0ce970757504935dce16292a634936ad87f1989b",
    "signature": "0x55610585440131ab8030801573ef05800a5d8a462c1f58c7a4f73cad0ee11d574247c785b94dbe4639800f2d9c2e7e25730a4a025c2a401f9bca66b1c69ce2431b",
    "signer": "0x6818B889bFEAe14D2ADdaC4dBF0eAe75779d7Ac4",
    "userId": "341292657"
  }
}