{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1530755",
    "entityType": "User",
    "nonce": "0x961b76435b6f8c78814b3df9e0e6a1582dc976051e967b0ae9d2ec9e82bcc101",
    "signature": "0x298ab3dab0435abd1d33cf1a6aaaa69d344a164ba00a40e01437849fa31a8bb23f215d8078cb418e0dfa20f6d1439ef54f6c479065ba1a72e01bd2656a06bcb61b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}