{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "325624",
    "entityType": "User",
    "nonce": "0x7fbec01e97f4f05562ed0e4a73e6c1f501111f8a2f811b40d71bcc6438aa2561",
    "signature": "0x04c9cddca64686dbae927b60ca721d36bfc3712e72ecd6bdcbb4f150d3a5839014caa496d45dd94cdc3179a0d9f8169f9cbbaadedfc831d79d56bd60d17cd10a1c",
    "signer": "0xde20EFD4369a97D5944f788c95F12724a7b095DD",
    "userId": "360439889"
  }
}