{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "206844813",
    "entityType": "User",
    "nonce": "0x8ecb411de9c2a117fa84eab91be09c5b3eb27453ae4b5d93bd912fd3ff523144",
    "signature": "0xc4e2f74f765e21ecc89eb22cff62fc140e47bfd6ae41838be109d13b889dd7cc0d921c5a290a54da828826276af48921e5690f3cbaec462a6e2454ef1d910a1f1c",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}