{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7618",
    "entityType": "User",
    "nonce": "0x69f8a06b5d2712fc52a216065d48e44e601d428d28ac9ae84ce9846b4df4a1e4",
    "signature": "0xe7bd67aab07d7e62d976939e4ef9436a3d47fa449b880f959e540ffa9f911faa6e7e5f8f880ec2593445a4a9b8eecd5dd41889b7210c3f43933e684ba3a957621b",
    "signer": "0x97eAfE883FbF33a8b75f6f37440caFE5CC452d3f",
    "userId": "849776474"
  }
}