{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbf8a5bbea3d6d0533451296c3a5af9375fe703825206e8c658ba8567f9a62a6c",
    "signature": "0xfaf1ca1c85651a9c59ff743efedd70c27587c479f3816f1928b0182c90a53c48070100855bebfd4681fe3f76e5595a953b44daaa24797352ae0f176bd9ba0d7d1c",
    "signer": "0x38cF97b3A9745395585c8009dDDcA20A86b08036",
    "userId": "584307293"
  }
}