{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x0096c4e0e09796ee8cafcfb932d570a5e7ab3bd961ac2ad63ea11f7fc25c2828",
    "signature": "0xca008d62fc1383fcd0f040e512dd6bfa2dc3d2bcca90f3cc1efecd6efcc8ef6d037bc98092f99c86ad44c70d52c09d70276cc60b1c73bc8dea78acb12b413abd1b",
    "signer": "0xbF4F1f4df4779768AfE75515b1552a2Bc5b4Dd32",
    "userId": "100976759"
  }
}