{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x444cc81b7937198314d1324be328e633eb4a8444d19562c59bad1c5b244081f1",
    "signature": "0xd445d92f0779dd3c37e1bf30abc5c3c9365e8462d55ba832e33a5290a04ea587558a814d6eb489863f705b61cda2ee292e8891cc27fedaaed90302ce76ef231b1b",
    "signer": "0x47f35dAF368203d18d08B1558C3F1BE41Bee2637",
    "userId": "191278210"
  }
}