{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270327",
    "entityType": "User",
    "nonce": "0xe3641cf91541a2f520d07ffead9255069c650d7d1b58c7b204f74b5ea4f5bc55",
    "signature": "0x5b4bbd6211a3b214156f1d5740ea20a9ae440461893ed66ffbc5442e979439fd77b03be42119004e9871fa047a4c559acb9e659fbdeb18772340205600c242481b",
    "signer": "0x204E506f1D5498d2CABD41d2fc7a3078d5792835",
    "userId": "768479471"
  }
}