{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "199377",
    "entityType": "User",
    "nonce": "0xb9ad09729a9ac8095acda54ab911aae38ea0358933081e0230969abd6895fb8f",
    "signature": "0x5ce3a0fc546934929cd6e730672c956e880b877beea96065f00138beebb27c7c5174cb91686c735914acca173eafd98a0d39e588f79cd7561a6c0f21224c4f541c",
    "signer": "0x96818aB6687d2E9bA070EB1d6843ef7BfEF5cDa4",
    "userId": "806873848"
  }
}