{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1155",
    "entityType": "User",
    "nonce": "0xaf1dcdc15b52fec15a35397982be2ff0d4e8cc00ce7f61bbe3fc88566f5ed8bd",
    "signature": "0x111aaa458a1a488fbe5155883a8dd97d2a18367c9ebf4d6380d7fa15566420836b147e4a7a8c26dffd5f39efaad55109da04f188254e3bfdb4796c86579a26d41c",
    "signer": "0x52F331C086a11941E738a6C86d9F127E934dDEB1",
    "userId": "281470566"
  }
}