{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x7ca81fc17fd46fcb4e074457ec7156743db19c700c4374132bd26c737b94ea4f",
    "signature": "0xe70a9c7f37e5099b6c9e3a051017f472146e3aba01e35476909200c783fb91355b50786bb025501f00c9cdec45043303dc15c3f131626d96f8982a6c4b3219221b",
    "signer": "0xe39b9d0ea534EDe4092525018dA29b2b75014c82",
    "userId": "163252783"
  }
}