{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "17106",
    "entityType": "User",
    "nonce": "0xb315c44ca5f72234507f049b94936ef60d19242e667bacdb3dae0c6c3fb3c89c",
    "signature": "0xceaa8729717a7f9a41b8fdf0ca7d14651c5e33a04b016f12e9eca2ec80b4e1f468a0e84425db673a20aef4a049fe3d965bd66e0b4c737bb81ca7a5b925e7e0ae1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}