{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "281227",
    "entityType": "User",
    "nonce": "0xba87b38dd0974dbe1cb21d8200041e2efaa9c90a4ab2bcaa0becb6200c48a633",
    "signature": "0xda9b6f638d6b35165a7ce87082105f5b61cc2392f36e58c6058a1edabaa7188828d819a3d14fffeff5335d6b87a251a0f8e092161e13da616af4903fc5a420c81b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}