{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "712556959",
    "entityType": "User",
    "nonce": "0x4a5f4ab5ab67168b1cca27d0af1ad620bbf3c1e3ba7b92e0bd1045a7aedbaf81",
    "signature": "0xede0638660e635d2499ec8c81ff6b5a57bf3d3e5e427ddcb22d3b4f4aa186aa65a2d7df0c5841a4d1dbc2c4225e3abfacf815edbdb6cde8a4844330b86b24f711b",
    "signer": "0x65b2681094e762CAD2349e6C1e2FbC8d54b9c046",
    "userId": "11153747"
  }
}