{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x99085dcfc2c20380293e5f47591ea1a3f91691faa2e2b0310cb79fd10d92bc2c",
    "signature": "0xdf93c286c058909ea652d9519221c6ba06c724ef2d96adb5598aca7d90d4ed5e24e4517191d2b80b4559d3a59aa948fd404af3bfd186051d9a9ff286118be4c61b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}