{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "11250",
    "entityType": "User",
    "nonce": "0x584e541d3f628ae41d86844b68198946b70c2ea5c8be5c0d9b164f9b5aa5ba17",
    "signature": "0x351277df121f7bb46876b21ff259697b617a76deaf0d4ddbe5c2bbbdc1b78f851203832e081c009af5cc2b2c2f429a3b72c2ae5f8437c9e110d669445aa037e51c",
    "signer": "0x7D273271690538cF855E5b3002A0dD8c154bB060",
    "userId": "1"
  }
}