{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1462978",
    "entityType": "User",
    "nonce": "0xfb6fa96c5d717b47e744d5fb6822f67d5d5f3fd83ad860b04f97b6d7eb9ac45c",
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    "signer": "0x40E8E224E8F8a9f835e4dc8851Da72DCEd75986F",
    "userId": "504092010"
  }
}