{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "270471",
    "entityType": "User",
    "nonce": "0x397d934da7ab4bbaabdf2a1a5938eeb4f7c7da142f79d0f8b964ac475e6fa292",
    "signature": "0xdb4e26c9859b47f3b91e1737c2f92e22bcec85820eb85c6639f334e80dc596fa413a86efd8dd3c69a78e9d5ef30694b75c02cd4e89d0f461d0a859842ac7492c1b",
    "signer": "0x292eF57C1FAAc86008ab58D5116e0ba424C9189b",
    "userId": "721084704"
  }
}