{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "843",
    "entityType": "User",
    "nonce": "0xa6239ceb55ba9c42f9cafb3596fd99f452c3ca7c30a1c155fff7371127324f0c",
    "signature": "0xbaa4a8b8aac37cfbf4e88518409a1f2aaf88378aaa01ed011556c63c677b6a211bac0f05c4040ad6d6ada1f3b51296cdd7cdcdd4726dfff99a7cb414cfa498851c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}