{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x84edae588248506670cb63afa51a0b836532e11d596d5abc98aec6a6503ada87",
    "signature": "0xf94d2f6b11f51841099e96cee81da18d8dfe89940c115194147cf0c93d5ab2e37615ef7e7f023f0428a5a918fb278c7d9125639e47f602e1347c4a547bfc2f291b",
    "signer": "0x995Ca8f2d3956487967aCfd7EA849313C448c3a8",
    "userId": "227564"
  }
}