{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "227414706",
    "entityType": "User",
    "nonce": "0x2157b86ac9ec2a8eea4f74cbb6b1aa08475f3eecac98c1d12a81763d1059ca45",
    "signature": "0x3f19874aab75515d40d698f57f9b28e605ca76790d30f2ace887a9ff507d70f10b9932d45576c5bddca7854c486c39b82f704bde9771e13769c35beddccd3a901c",
    "signer": "0x580b8ce3181CecdE24dda8DddDB6a57828990d63",
    "userId": "214104220"
  }
}