{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xb8277f8303756ac16c5e5ebf289cbfb167fb18fdae7adb9faf81a4dbfddea008",
    "signature": "0x54f4fc1b8cc937200ecc5d290f5d1c5af0e9e61d0474e4314a90dc32842a079b552132c2a8c09b5a35f1e1c15f302029f77010431efa51169c10709de7c2fa5f1b",
    "signer": "0x04912165a5E79891e24E66059e7888624bf43e70",
    "userId": "761845704"
  }
}