{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "179782",
    "entityType": "User",
    "nonce": "0xc66e699d24021ff17661b186f34f17e0211b66722f554ffc152b8908b75795c7",
    "signature": "0xb345d2eaa88d601d8c39f5443682b7fec91a2c8d291867c0675f4bae24348ad7006ef6c06238afd4ed49eac501fcdf7ca395d33d40f76155c159eb324c603f701c",
    "signer": "0x4089d1751487aA665C895419F2578a6Cf33BE481",
    "userId": "728155533"
  }
}