{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232555",
    "entityType": "User",
    "nonce": "0xf6855d968faf2ea57c45a7ab38a5981b41c6088e5b7cd7b59c36e4c4ff39446e",
    "signature": "0x5c0541fc335867410d746cadbba05be89c44ab4d9c7f17d4bdd77f05669db9c019c35fdaea223d2ea3af28d00febf53377b5b7f4ae9efb42bad3608f69dea4581b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}