{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x7990047895f4a420e0e06ec3841dbc2c2dc4fca9f9440cc52637ac5131f60077",
    "signature": "0x8bbf828ecf46a28797d8038f4317df16889632022fcd7a4d2cc63bffc27ed8f662403694f1fd3e85ddc81be310acede83ad205f2a8a7961d38749a5da7da28641c",
    "signer": "0xa6Ef6c60F45b6De4fceCddbF897d2a87F70802f3",
    "userId": "363745917"
  }
}