{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1686476",
    "entityType": "User",
    "nonce": "0xac8aa3d606240b19857ca9dbc48a2eab5c4627ea6bbc9a7ae821544025aff066",
    "signature": "0xe26d9c8a0a2216c63baf95b4593e9a1ca5c9b11a754e27296a489cfa2c9c9a47769b1acd6c7623af085a6eb3c3006096ae5cc0adb797d3f71a484705b66484f41c",
    "signer": "0x03d71c9f46521125eFC55E05f673bfb2246FEc09",
    "userId": "26938020"
  }
}