{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2018345",
    "entityType": "User",
    "nonce": "0x02c757e4e65fe0229a9e3148028d45a813d083e0d1cd6a7536adf3382afee2fc",
    "signature": "0x234e2edc249819bc305b2a3c445a4b0b25b9ab69716753d17cc39fa3f4f4c34f2f69e10c54409a07b4c9db05b7cc611c2ed059c8fec2e5b2584c17ed0b9b082d1c",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}