{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1",
    "entityType": "User",
    "nonce": "0xaff7971ade99baed34bca8ab9277a78f690f215d9ceaf66380c099bc658ec963",
    "signature": "0x0c53d2ab631e9f1b0ef80a8a626c5c6ea47e6c698067d32d54dece53f18744f54bf41d0fe0f7086697257bc45cf813cebe18bede6e0213218a753d8184e978871c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}