{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1493333",
    "entityType": "User",
    "nonce": "0xfdeb06126f4f3bbd77fd65df954abc8350381c502f793fb5fd83be6a692730d2",
    "signature": "0xa6d8ca6bbda727b5aa09057050ca6a4cd9baab7e13497521f415d6678c97f163621fc00f2a8281ce7010daf90175f994057c08fdf203fed030af83110d964c231c",
    "signer": "0xAB601814a3b7DB1149bE0b45154295028AB51f97",
    "userId": "613793033"
  }
}