{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "395602",
    "entityType": "User",
    "nonce": "0x5645d783bec61dcf37a99e367099c3b8b9732ae941a59be0aeb4b6a4b16776d2",
    "signature": "0x05e6636e630f69ea94f8e381abae5be1a46c75e80704c1375ac8910d509f3e190a9c6a02c36d2bae6981f03493b70f202d5dc60d625b8be1a4e39b9ccd768aca1b",
    "signer": "0x5fa60F185681545769de01098bB8F29cfbaE3cF0",
    "userId": "489026160"
  }
}