{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "364198015",
    "entityType": "User",
    "nonce": "0x8d84270ebd234ae9c1d88332ba8a3f71bc6568613968d9d4f5b03a35774da159",
    "signature": "0x6d6cf185c4e0d08c5ca0bdf1106722a9c4901e865abbf8f1a8e1edcc7e9c282614aff7e844dad1c91907cfce9359141ceb0a754fba4171a5e7c87e5fcb4433bd1b",
    "signer": "0x94e0dDC50579175818AaCFBC9aba8B065fEf2a55",
    "userId": "460147282"
  }
}