{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "827803944",
    "entityType": "User",
    "nonce": "0x31f3cbb94de7376b547fd2a22e88b61c903eee05a50de3ccfa32b49931e39146",
    "signature": "0xb2e3ecd63939c0ad41245cfe55a76a384e0fde3f7e4fb68cd94c6902cc7f438d7b6d95905e9e048f706742c6494b4e00c799b1f26bc8c10f02a4446b594a5e551c",
    "signer": "0x7D273271690538cF855E5b3002A0dD8c154bB060",
    "userId": "1"
  }
}