{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "176556",
    "entityType": "User",
    "nonce": "0x1e76da0c0095da6854ad053c66ff40350d1a157a2447b2602e032dfbc6db22f3",
    "signature": "0xcbe7240e04794a97d14368c71e107593bf7822a8fe720099f23801d9e3b855307856b061729029593421f28656368781537d175fb6baa0bf0cab6ddc9409676e1c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}