{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "322923319",
    "entityType": "User",
    "nonce": "0x22dace7ea3ec4862876c9686c9549d92c703e4173cb1481b32bae9a9c1b83f3a",
    "signature": "0x270b1cf08b4463127ec37ead4e582ac1f79b43506dbdb70a3a1c6fe7602f812030ec41c61d737dcf27e528106683de1bd6b244a40128c59d995b743bbf16ad641c",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}