{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "266305231",
    "entityType": "User",
    "nonce": "0xd4606865d1eb2d8ef346704cc26c7a9c5a765ee863d4e88a170a562974a63dce",
    "signature": "0xf81fb27e58326448117689d76ee263d282970699380d92394d0ddccb40a8b59f44d718aecdb70d5f4c43dcde7685bd34e1a3e33100b3f1baed4a5a1f828eca8e1b",
    "signer": "0x4fdc03E53311BF6b1B8728dd0Ae0630bF74176f1",
    "userId": "162770660"
  }
}