{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "235245",
    "entityType": "User",
    "nonce": "0xf65e8aaabf9cfa5d0e2e25db5ec717f0de0ecaa1a5719db25a472c44fd162ab6",
    "signature": "0x006787a29f15e27de2f0a967d16d04ad7ebb7d4e6e61e66cffbce1cce44ba69e6bb96a36392d6597d19fddc2165c8b38f40a4926b96cac8355bb500303a1a6af1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}