{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1930801",
    "entityType": "User",
    "nonce": "0x96892d5569d654bfd978ad97eae5f66c667a17831c0a99458762850b08871acd",
    "signature": "0x2807bfa6f30ca6bbc0ff089ca5c29d8730e135538c7cb71c67e8cecb73a6fdb426c8f29c6895d4789f1184abc297dd228ff8516ef6da22c7e044bd1ebeea8e181c",
    "signer": "0xb7C7a8D9d12EBd1Cd438cB065E97280E6D7e912A",
    "userId": "984691913"
  }
}