{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "837713671",
    "entityType": "User",
    "nonce": "0x11658ad9e170a318386cb1e281298a4cf1064db6aab5471485a78723361bbe19",
    "signature": "0x45cf631bf94c9693b84d42918621a83053fbfead5477167bc7425eef0194cc7431bcb104841b08c3d4224eb8a98a79419fce91fb9d2faf9fa9b7310ae8ac879b1c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}