{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "460147282",
    "entityType": "User",
    "nonce": "0xc311d450fe7d1bbfb2226fb994fef70610c15fb92f880ffbf85d5271ba139e42",
    "signature": "0x901a4e5a97d764162c75623ca9c1d791dfaefd7403e8da36dd6fd0e480690a45143481e27ba06ccca8993a90d26585dc29e3e3f7edd4efff0afa6e88371506c61b",
    "signer": "0xc74a5C0B76bF95109EFE2119058182fD3D75EA63",
    "userId": "222972690"
  }
}