{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "901788935",
    "entityType": "User",
    "nonce": "0xb2b42a6aa3de42548b4286a05cdf33e1f9c8a6e0d1b4a6294c7775e470d49571",
    "signature": "0x74930b737b8a59758a07bba7148871c2cfd2e95444fc548d2df05ae4f250a1457ef032a4e4fa470cf8788ca1b062dab2ebe6ff947e1a1e147df642e49200c9151c",
    "signer": "0x63EbE5a1B5C5F156330BDf810f5fFf6A224c75c8",
    "userId": "309080"
  }
}