{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "955228747",
    "entityType": "User",
    "nonce": "0xdf97825bce87ffa93bb67396c9b0f1b2e92f0de76420968ad20ad00e83adb057",
    "signature": "0xbe78040d9fde8e67bdcd2a1399dfaea69336b079a122c9d235dd788123cfff0c733fff28f80e3f4dc0d36c27aab8a86ea7d54b6082c17f8298f793cbec7f8ac51b",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}