{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "334397",
    "entityType": "User",
    "nonce": "0x28d061212ebc84710ac202663bcde930be3cd67cb60332abc5c1d8aecfce6825",
    "signature": "0xfb261eef0659258808ed06ae187c64bc5882ac8a2adb74dd0c8602c6db8c6ea70e56f3025fbd85d2470124eecca1163b6b63f4a7d095a636eb629a1df1f21dc21b",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}