{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "357250",
    "entityType": "User",
    "nonce": "0x49063fa7c8971177743a55ee47039608110c29ce2439276fa591612e423c7647",
    "signature": "0x68da63dd17502c05ec85c6da5f1a22755db8168d0eb63312bafdfa0eebc45db70bddf619077824f9b3e549c13370837997340851f43db4a45dce79d1e84efd9f1c",
    "signer": "0x14fa63A530B7d9254d20B110AAc25ABF49fbfa9d",
    "userId": "182428"
  }
}