{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "368602",
    "entityType": "User",
    "nonce": "0x730f75c554cc0d3d91f718619bf7f22b7a6798a3b770e279e61d93dfd507c20a",
    "signature": "0x599c330ebfaaffd1bb64fda4ceed294e8bea94c9b4fb7780ea0b3304cc5995d3419ea26f9c20ffcd6a5fd8b9628c5f0e02b82097236c79b9426a006ceebafc7d1c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}