{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "411",
    "entityType": "User",
    "nonce": "0xc5ccaea0a62cf5415fbef587ebff6f5bb9ad8c134caba07f1cf1545df778566e",
    "signature": "0x2ed9c506120245a6e59528fa412da65279d9daad98b86400d9fb81b5b911c19727bcb1bf44ce7f9eb7783f91eadc01a1bcbb752642e5b7f9e0e6560e9819a9d91b",
    "signer": "0xD24271e3B8CCFB603860EA392E94eD5AE2538703",
    "userId": "456716469"
  }
}