{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xfd1badb5cb4cae62d4f190215f137e11a83f473f0f2fc17211639d5ee24632c7",
    "signature": "0x46c8b70a29c3e2e91ac4fd58bbd45f426595137006c7421faae44d28b065f073512f82cf5a631515365610ddbe8fe1c1979ce364236517c3f0a4a8eae5f46ad21b",
    "signer": "0x917581fA0d7AC9d31dB4d95463756756b51084c3",
    "userId": "181652931"
  }
}