{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "126550",
    "entityType": "User",
    "nonce": "0x24c459691f32ac1427907020c2ed66b05d6dab671f78c0876c7214dafcd6dd36",
    "signature": "0x01bacb69df218f80a39bf1b44a56977f63217ed7a44259dc79bb328c746485420dfbcd962f9f5233de89cb8acdd7ae5b2ebd02bf2bd8540c7cd220fadb0deafd1c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}