{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "125737",
    "entityType": "User",
    "nonce": "0x8541d1ccb705deb13cb59d4283b5a9f0d93c4f745487dfb61beb12bed8a56834",
    "signature": "0x4660232e5fea2eca74fc32601351b75a6ea5f2adb170b47ed999656f1d6cb5f0733d2fd51afb591a27daaf89d7890a6d0de888c6b8d65d395f9caa8c1cdb80cf1c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}