{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "2194",
    "entityType": "User",
    "nonce": "0x54b85145e84528c1a3edbe7d81b0cbf4910205d3bee97136ad9b254cda9a4c12",
    "signature": "0x786536384594a048f5a17118b34d1f579a1186ef3ad3f465f47b6740ac29d7fe4ce60e90f8799d3f9429f357e364b1bce34f4a552a66fc5d9413b72b7ec055b91b",
    "signer": "0x7ceA71B4A8C4013A4f57c1A57eC0430915572e86",
    "userId": "31724295"
  }
}