{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1477402",
    "entityType": "User",
    "nonce": "0xacedf1304dd2830161be7f876786ce66f92d35ce9e85dd986ffe474bbba08ae8",
    "signature": "0x494740fdb7d0837965a8e38ead931746c89645177dc54ac352b165e660cadb72393de596fb2a7ef35d3e9fc2dd72a78fc39e82f3f1da1540bd17ea9573f12ff61c",
    "signer": "0x65A03D10AFd64F38f0B99a2a95c49F1f5e0e97Ed",
    "userId": "467129829"
  }
}