{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "339785",
    "entityType": "User",
    "nonce": "0xa23227400ea057990736640b25297efa799cf48508775ea440f6c8855ae41a4b",
    "signature": "0x2ec865c03df477b1a80185765fd95914c8a045d5ba221c0fc8cf244e694fa3a9285d9eb8620e175668d248846fd2871c4703ff40a68e55e00d5932b6bfdf60651b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}