{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x81e12a450f9065a62990655c69036f89c841b699ee7c69a3d741e0f286b84111",
    "signature": "0x14d2033129a47eb811529825bdde0f5c31a631ac8ae6cbad4604970ef6be45be6250b18a82a101d533a92c60f62adfbbd7005a57308f9736be9d3a58865a0ef71b",
    "signer": "0xAEd2fbBA4753ccDE0cb4EFC1b29D16d6FBD83343",
    "userId": "966380372"
  }
}