{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "59868",
    "entityType": "User",
    "nonce": "0x0cf912a541f8224e2d4b2d216dbe48a708fe4b73bc554c6d07b34d1159323b7d",
    "signature": "0xc19f6f58b6fa43b116c8357872f0885f563d7b6ab847a9114f2e2308f8d665f83ee8c4c4bd17c4a385c3140f3483c93fd488f8c50958bcc18cc209a8916f98e41b",
    "signer": "0xa603e9487Ed7C3C62E8acb85f8f32acFf5d6349b",
    "userId": "278135553"
  }
}