{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x997c8e92dc12ea1e02963813fa965f154c87b5d6b395e1a7860166d4fa3b006c",
    "signature": "0xc2f77ffd09eed2d5ed51f8eb9975579211fc08d5812ecb18f508bef1b0b177e560e319ade10932167410ed1fdea6cb07b4dcde9c84fd6ed0b3f81dbea23c74bb1b",
    "signer": "0xea79EEd60D97517387a63Acc5fd3BeE2227F1658",
    "userId": "220230236"
  }
}