{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7979",
    "entityType": "User",
    "nonce": "0x839eda501fe01503abaf693f86b51c105c4f1b624b0f8808feea1700c61498c5",
    "signature": "0x36fa6d687c328a4c13b9b40efd38b4f145d7233508480132ac5ee474fe0d191a7172c7d6d7a953e74d1bd7239147537cbfafd4d14318403ba4215f1cc414ca781c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}