{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "1166298",
    "entityType": "User",
    "nonce": "0xcc7d4db833fc9e4fca359663b5f216a4a4bc245c0a1b27109fd4d109f90bddaa",
    "signature": "0x1040a5ea900904c546232f9251cfd0b95b3428d6cf3bcce5a425710fc2e4368b326f40fa3196aa86c1bab6388321dd8d31dd5703b6024298001ab346b86f5a631b",
    "signer": "0x48FD75f1b7D81A96b8b8624aB7040523C402c202",
    "userId": "325172820"
  }
}