{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "222",
    "entityType": "User",
    "nonce": "0x4c4038236f11f97847df728f1d0f65d27c037b2984199df506c13d19bc802666",
    "signature": "0x15d28ebe70468378478b065d2ab1f900c19d5af48601bea8ddf82c264536f08e59b0775d4e127f82f9290e1d8ab1b085a2cdbf54111d904833afce7bd907adb71b",
    "signer": "0xC35123bF05ca0B3A7B333c53E47bcd9f9DA864d4",
    "userId": "33896318"
  }
}