{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146510",
    "entityType": "User",
    "nonce": "0x2005284951e8a4602b504dbea3c7587289b0128b03a13498177ec1490b273df0",
    "signature": "0xacbb6d8d77a26bd3cc989fecea88ecde90b1a8bfe66f5779c93c6a40c82c3de11571e7a7ea9c70cfa3cdbd674dbdc86eea8a56b6cf224c8cb1b7fcbddc715b551c",
    "signer": "0xfEf199273dc1B7112aA0D32cc0DbF797aC6EAfE5",
    "userId": "198179849"
  }
}