{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "5576",
    "entityType": "User",
    "nonce": "0x061d253b538a2b4797378e815547b19a843a7542aa247448a69cddf9ec1d77ca",
    "signature": "0xbfc139c29bec582e2f6e8ecd50d800be11fce4fba5892060a85cddbda527f2ae6a4ac5c3b2e48c56f55de2323f1d0726f3da9785b690eeb293303d7271718e301b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}