{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x81bcc84dbaaa4fd2df5bcb432f450606edfbfc01dc769e03db74bb49e1447545",
    "signature": "0xece2861d8fc649a5e9a4f45ab18874273e9d7981687d75efd940cee0708513163364726097f4489d1027998850974ef27265a5bb02c7d0df771e05ac5f1f615e1c",
    "signer": "0x989faEfE658E0b6dF1793197b0De4137Cb1aDD3b",
    "userId": "554920508"
  }
}