{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "342366",
    "entityType": "User",
    "nonce": "0xe211293710e33ef1743ed86cad1ef6598a998bfccc46dc1ec6a9fa014b5564d3",
    "signature": "0x66328250ba9b0041b859c6499047914f3c10b509687d595d565df49d19b0963027e4b5eb20321aa84ddc84a3d6f1621b7bffbc57c876d9996fd795e0c6d7dd251b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}