{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "708077815",
    "entityType": "User",
    "nonce": "0x3f1a9dedd901719a21589ea711c0b2c165adc39b2379b5a899634a6bdff3ad4a",
    "signature": "0x787d4600757ff0a495786e6b6768a492fed6f610904cee0ba712ab47f69d7eff5dffc49865fbf1f3cb680c05f461b936b44f1bf424fae94a04837cd3f7483a8d1b",
    "signer": "0x0AC77876338a1310E24e939DC65C28Ae87A0D298",
    "userId": "415577056"
  }
}