{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "327722",
    "entityType": "User",
    "nonce": "0x5e110a9d0855c6951916d322bef27e7e834bfa0dcd14b658c32684d8cc9f3d0a",
    "signature": "0x4c0617bf84da815c526031172b971e4b99c7375dbae932e501537da08492376a72eb948e62ed0a72e17b08f8c5010e42566c12388b4139d27cd1d2fcaa2b351f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}