{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "232877",
    "entityType": "User",
    "nonce": "0x4ffb6bef64e886e452743daae501fcfa3696eb8342f40b7a8878022476e46cbd",
    "signature": "0xe1d9fb1bbf54f5cbf749cf7132e1f0f1bb4c0c9d59d2348d6718e6d4f532e279723e84aafcc448e7897faa0a34796d4119bedbf4b09645de27ff89908c89e2251c",
    "signer": "0x408CbFDbc09C9aFB99Da5f010D04f50A190b83B6",
    "userId": "675830993"
  }
}