{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50158",
    "entityType": "User",
    "nonce": "0x7cdae44c21666e1f5b5bac37019bd0906fb6d1d69c3571b01c45d5e3517633e9",
    "signature": "0x32e08f52a93447940a6eb52a1466f1083bdfc7530670a2da24179ee3c639d8482504436c9efcca87286068e1da243310244991e33b22fc286eb25abb0e56a4f51c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}