{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x79c793cb9fca2bd672efd6cee665817cbbce898c19287cf90c9c3b27eef84f80",
    "signature": "0x60071deda7430e31530033b78b81a38eb40016180f48f6729356b43cb4c831637e6719b5f1b7d2eb43ddc2dd97c1a38f038b387007f27be2086e178f5c7599b61b",
    "signer": "0x45358D017772fdC6Bd3d6732f1FE1CC5533a7EC1",
    "userId": "933400775"
  }
}