{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863205",
    "entityType": "User",
    "nonce": "0xa71cb7abbdcf740617e1272d6896eb9cf6a8a912cc8468c8346c15dcbcfaf846",
    "signature": "0x8f6a1058926e09a3c65d303bef61f14dc3e475cca7064b6449811ebd9aa4bdbe7b127c321656edf48c1c9c0795da23161f604cdd425f2e67cb7a83480fa7da761c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}