{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28155",
    "entityType": "User",
    "nonce": "0x696d9b6c8bbf7be9bd6c3e2f926110c63ee493d855ac8e81dec28c945f1feba1",
    "signature": "0xf3a26e40ab8b2064ce956ada69a4c17f4c484eaa1c369c3f653e5101718db90d5cea1a0d13395b722923418b3785dd6220a4fb5c13ffe8b0c81dcf5af4a48c3d1c",
    "signer": "0xfa1f98f0530E55C2BEFA45f0F1B3A699b4559136",
    "userId": "149566028"
  }
}