{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x601617c8d0b87b8c7776e8c611c457a540849e0b0f3992dae6a582fdc93d1d72",
    "signature": "0x5c7f7428518fa8b1215290d6247fc069c8481979588257ad9d68653bb980163c6f16e26e08ad960c50de07cc1aa64328859327fa65e90144bf6ff618decbbeb61b",
    "signer": "0xE08B006459446E8563f9D7e3af3f424D9dE92E75",
    "userId": "274933861"
  }
}