{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "66431",
    "entityType": "User",
    "nonce": "0x66ab3812164b1d9284cd6d35eaaa6f68aed7b6bbf5e21c6ed1d077384761abd3",
    "signature": "0x32bab9da1ec18698670ec3c2946eebd5524d32cb2ab55561c5b9c52e91ce94460f6ae975ef90ebfe0295bf957691ad4c4e3e7245763f67dd5f1fe380d895034e1c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}