{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x1d566d6d01b42e84f3043055b57b82c667d3eaf84a87cc540a9bbd5551778aba",
    "signature": "0x8f83bb6408cb09fce1ec450cae430195f002801ff9b1bdc6d357806a186f44cc1143e346b0fae1b1b768d1b5edea97ba3374a087bfe8d4c175e7e2876338d4a81c",
    "signer": "0xD3e2a2Aeb739263055A5ec4484257b4927578D03",
    "userId": "117667088"
  }
}