{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "402341",
    "entityType": "User",
    "nonce": "0x44c58c8f7321531ed6b9ff396cd26c249af6f64f176a2cb89bc6ab31c44f11d5",
    "signature": "0x05b977411b641aba057fa4959080ece7d4bc1925a2c36de58817301542dfa28036047e5ae158f266dcecf17c0aabad923274efba5fdc95150ca042dce9cf36e71c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}