{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "190942",
    "entityType": "User",
    "nonce": "0x728f170740b49a94d0e0cc9801ef10e4adeb87ec26d9cafca7c0aee9bc551d8a",
    "signature": "0x1c27043232d597cbfefb9689223101e3728ca380593a6a11351d0cc59c0eaca564e9eb1be2e6bd0c8ce4c8e3180dd120c9078b52e727a928edf3bbd2d3cff53d1b",
    "signer": "0x7E915FA0e857276481e34ca82B4A88B53a13ED15",
    "userId": "396044630"
  }
}