{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206659",
    "entityType": "User",
    "nonce": "0x5325778f94091650c7e7fa3ec40519839d07129fec5fa489204269e893fc2233",
    "signature": "0xecc3ce1891bbfdf58053086effa87ede34fe6317a4f2a040994d03204135ede00fbf5586cb07cdb7a7cebfc162d933987552f727c34448adee812a76c5690c411b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}