{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xc37a9af9e935326edd1c18b12ff13904b72568897d68844587c11cfe033733e1",
    "signature": "0xf3016ddb979007d4bd07046905d8238d2f90880bcddc2b122f21822ca30f459e070556e9cdcfad26ceeb505483db42541c3705be35ecf57bcda315704fc475131b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}