{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "107195",
    "entityType": "User",
    "nonce": "0x6614d61efd61ad4576b27c241c0c3850a280d09e7e17ee58be6da75833ca1883",
    "signature": "0xad0587da30cd5853b118d06794a331b1db3b327cab4a910a373687744bfbc142766948c6102fc89ad6604f38df1e2cbd2e601b6d95b903fc7b94ae39fc9726371b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}