{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "68514",
    "entityType": "User",
    "nonce": "0xd9c2912289cc7da305303a54bac72802a606cb570e1a424abfb881468ae8890a",
    "signature": "0xdc7144c162488cfd36ddac23882039ad2778196d67bcdf5f49fe6bdb89f49f7f7072e6b83d55fa2c8a0a3681f464cfa5c834e0fbd0023662e470fa50d4cae8e41c",
    "signer": "0xA5594f75935B53086a8f3231b314C131605FEDA6",
    "userId": "140185425"
  }
}