{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "97457",
    "entityType": "User",
    "nonce": "0xf42eac3c43b215dbebb6aee13b91d866d992094478d16c711a6d623ea483ef9f",
    "signature": "0x41cd2e35535d0d89cdf60742306dfec3b77a8de60a23a72bfdec3cf47c114a2359f73e8af4d26dd6af50dcc4658fc5d79ab4dff2a7d8fddff5dadf83579783831b",
    "signer": "0x7fdeEB144300AC6b1Be0E83d8f006b2D3140F73D",
    "userId": "325377357"
  }
}