{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf1b8927631c9de13a2a8d9fffbee9eb3149c8f31ae117aafd9be000c0a6788b4",
    "signature": "0x5260179541df3b2499c85668325b7dc608dc4e8efdb47aaa07c3e2cb20e322a47add7d018cc26d5ecb7729af3bca835811f4ebbfba4ac59368798ec02583cd4d1b",
    "signer": "0xced91F66D8d173030a8ad1e3eA67f5790199C230",
    "userId": "115868048"
  }
}