{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319048",
    "entityType": "User",
    "nonce": "0x0be716d0595cb1445a97b6375f2875bb0904a14b1bbdebc50a996849f69e757e",
    "signature": "0x85149d7d8ed3b54b1a6c6a26c8fa4c862e449eb06cd9ef059b8e639ba3dce484529793af28357200ed7f1ecddd9cac72871ceae25ad26fb99a8dc62f3417e5691c",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}