{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x5b9d05588ae4538c88e76303660070f50cd8834d5ed2059c556a25f3243e6b0d",
    "signature": "0x100a160a33dad536cafc5bb19bb5c1c83b131db62a7487cece44e2df8f22a07757e48092991c90928879d892a05560a1269519232d93eae3faaa36709fc2a1af1c",
    "signer": "0x4d84865eC9840b029213f7661b90599431ed21C3",
    "userId": "477260546"
  }
}