{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x3c4824221ce24510ea6fa71d7fcfce0a533977352a72d56b7a9f71ee8967f013",
    "signature": "0x158a0134a6c168f6a5ea83c8b23d6ed815e3c8afe931991d7faf8886d1814dfb2003bef3ebab8dbf8c1b51545b91cdc719c1f6a75e1d6536dc42ff3aaef802fd1c",
    "signer": "0x97A48CDe9eD5Ec07148c100551C5e772f2667403",
    "userId": "28372811"
  }
}