{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428661039",
    "entityType": "User",
    "nonce": "0x08aca82e6d138318a347988a657bcf786be8620d29f0d568b09f7617fbe04b89",
    "signature": "0x08e21e7893fb91757e0034ec6ff079ec921be92cde2c433f7da3e893468744f0730457e0056c775dbeef5f722eb739cfb50ccb4b4b58bcafa4acc75009b7ec4f1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}