{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x6fc5fbcd71a431d77214ebf8c766192d3124583f7e237a2f8dcd288cd9273065",
    "signature": "0xb36cddf69ff7a1afe4763170609f9fcd4b976672f7a04e1a31f1aebd2ac826c444eef5718e35233cea70eb6f77121f74ef622bbaf13cc57399f8d8162e3cbc461c",
    "signer": "0xffB35A7fb70de85Fc6641863EDD49bA203945e57",
    "userId": "816796520"
  }
}