{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xff074ae7be414999b37ad91173f7994e47ca133fee5eb402c72694ddb684ab66",
    "signature": "0xcec8001d3b18df1d47c7f2496873b6ffb2c29444c5faf9d99e14cf7103cd983e58330f7490acd42cbc1cb19fb600e2fb14456fd53e024c2b6f3c89cccb0cb6721c",
    "signer": "0x79dAF1DAc45e59edcB07c04066D2096C5Ae955dB",
    "userId": "893283275"
  }
}