{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "4443",
    "entityType": "User",
    "nonce": "0xb98ed2ee0581629996deb16c1e0a5f24e5b9a946eff35df00e45a56774e05cf2",
    "signature": "0x06afc04e85db859360710975589dbfaed834c3e4a8f334bb702b9bbb66fd9b7e09188005f8aa907b1a9505367c6f5f122c22b6b102468b1c6e568af777b5448d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}