{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "84516",
    "entityType": "User",
    "nonce": "0xcad89964b97154d380e201453274ca11b402820a0ac13adb896f9ea8f28c830a",
    "signature": "0x947da99824154c7b4f01a1275fae9f05ff4f00e6a17f9d6ab57af927abf5c7717d7f32a981044267cc901deada5cfd90c3c7a70a06174ba5131f95a60f0bf4121c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}