{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "993241709",
    "entityType": "User",
    "nonce": "0x77a1fcddb32b599f6e2e5a0408cd261fc8baa1033af817ed48e07af86b5d8eee",
    "signature": "0x53facb40d4ff852c2aa3754842642644f9f02e2cebdd3ab2b657e782babfebbf105624201da05e421e5353adf0eb79eb4df146926cd16b9485aedf9c312b71681c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}