{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1104",
    "entityType": "User",
    "nonce": "0xc5af3b747af50f8add11b1635ed3beadc292ab3da2f49f86521d70298def1590",
    "signature": "0x54a8e1f8b8068cac07cada8c70a314ed6f25fad7287c6843a8cc93c56a1295c9289121c15057546e4f3fd4d53b936382560a58d9ce6f8840b17515f9f6e0043e1c",
    "signer": "0x9D360ECE27645E249fbb45fC03AeF953A81031Dc",
    "userId": "579726392"
  }
}