{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "7716",
    "entityType": "User",
    "nonce": "0x28dc5952ed901e3cb30915a28f27343bd45c81fba53ddb809898c73c0bf504f2",
    "signature": "0x810ffda8dbc22fc50e96ff160a3712e112e21308b9124f6f761932369f13cfe6357a9f3e81daea850fc6219502292961a1a4a888a0b17d9dbf6d18236eacbe2a1b",
    "signer": "0xbbB98413eB671bb0000F0b18A2A7Cae9631043E1",
    "userId": "98311147"
  }
}