{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xbc7da7dc8b14df1f26512de85067eef9e4cb986f04e75628034f1362cda3dee9",
    "signature": "0x336702c0f20d461fea3809352a532e95d284510ae01a430d6808e72105504a6b0404185931e0af243c9c60815b4bffacd82ac27fe190b14c2f49136eeafac5a51c",
    "signer": "0xbeDbeF70f005ED8b5C2c929aA1b0A4012a354701",
    "userId": "516619446"
  }
}