{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "40758",
    "entityType": "User",
    "nonce": "0x5f2ad9920cc6f85bad7938280eef79f0f9f820e200b7f288fcbab46501ee8fec",
    "signature": "0x5222e7d7d7a4a58cff4c953ca89367c7967578c632c60aa1a42de78ffba1328e45d92dd20c61357c63501abc164a42d6438e8b59ff4d3ef56ca3f0b340c27ad41b",
    "signer": "0xf7388C7b116a7d3aC8a35e3A5Ee6171b542484d8",
    "userId": "786516058"
  }
}