{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "204532442",
    "entityType": "User",
    "nonce": "0xa60850afd265036381551362052cccc37b9327af7bb0f702b5ab1f049bee1c80",
    "signature": "0x570245c3ee102808d9ea858ab3ba50a0ea37b750e8951f5ae25390811616d52f60afd435acb28a5d953d433a1a721b8deffac74f032fd6d0dbfb08b660fe7abc1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}