{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "69354",
    "entityType": "User",
    "nonce": "0x58ca3a3243fdf9a321661407abef81e158ffbedb9af2ffe8223a9e5808c97d20",
    "signature": "0x2be47c8b2c0cbd5f518d1f7a01cbb34bfe5d8f658a05d746b2171aafcc65766925798b132fb8820d5342685ac4ef472c3fea15f4149cab13c867520f263f58a21c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}