{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "157194",
    "entityType": "User",
    "nonce": "0xca68b20835d08e691d737d4631acf68b09d927aad0ad4c1949b5b6e8a3491778",
    "signature": "0x7d7ff110abddc2b79b3a3314136f410b6e4cae0af8d9fb3fd35bc17d66a1400269f75c48c26e13271816c33fa23002c9b275a6cfc99003e89c0f1ac5e008f4731b",
    "signer": "0xAfE04b3A47505816aD72A3036422AC553C1dFEc3",
    "userId": "515307498"
  }
}