{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x346cf8e3b36661d5bec5b44bfd8bcf043d54b8032b03f3a9bea939a4188f9a9a",
    "signature": "0x4d3e1a4cc2a06d1788398e6b571291570cae0ad0fd29d201fe7e41157313f48e05fb0ac775ea71818f9d7cf142328c0d2c2b0a92c6d217431124a7f7c588f7971c",
    "signer": "0x97f8de6d265F0eA151d3722a055B3c3E5A6B227f",
    "userId": "411435247"
  }
}