{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1786871",
    "entityType": "User",
    "nonce": "0x99a5035de0ef66ccd77ef34224e43ce4068964c32615eaee9f774a0d4a5f378b",
    "signature": "0x2704a670dac3bceee24f89592c2d6d9ec8f54d3dece39d93974186c086abf93c2fb6c6a22050c0587159caded66fe55e3a224c68742c3265284ea2383f28a6711c",
    "signer": "0x6B4CB8664E41AB502212155456Fe4feEDeA85555",
    "userId": "463162548"
  }
}