{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7511",
    "entityType": "User",
    "nonce": "0xf157a6be008b9a1c19c299c303baca0ff5b958ba56f33afea7d816a81618c39b",
    "signature": "0x3a40f49dc9270bcc4208a8cfecada7b22868c7babb8a8a1fee1373eef0a70334188b9011b6e51ca3226f4dfcfed37ab70eea69bda163afcee09dbd898c85d0201c",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "2686"
  }
}