{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1e6eaefb61a78207d195b30db2bae7507030b883cef08196c56f0e0ee3d2b690",
    "signature": "0x6483b9f2d288d1947596612da98e73537d32e712915c92104c75c0952c33f5f06e5cd3b0907b6fb97ae0dc56f9ac1597cafb3b6f84196adc4dd36d4abd9b8d411b",
    "signer": "0x2babB7663AaA7b6D23568cA5812a4F24eff16068",
    "userId": "679637994"
  }
}