{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44119",
    "entityType": "User",
    "nonce": "0xe7ad4f2f8297c95a692a8aa116542038ee34af33094fa005e0e94491106c8556",
    "signature": "0x67df475991e517e0a80948fb8b56d97ff96d0f8f6e5a3f7daed52a9b6fbc554307edfb2b07d826392bdd896ff23779bee55c32108d822662c18b20f6d8b8cf621c",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}