{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "27447",
    "entityType": "User",
    "nonce": "0x18d1cde5011bbd26c152d349618d12e61381de43cca66dac8350bf3db7e0ff95",
    "signature": "0x37278c8cef1a42a2b9f856dbbd00ea9ad81dbf1c9ec3e601f1da8d38e20491a47136c1f42f709e24490670764738859a4ff37d59684812208eaef3bc206127a51b",
    "signer": "0xCe146265e280c19E5B68400a59f1a07B60408aEc",
    "userId": "554250826"
  }
}