{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203774",
    "entityType": "User",
    "nonce": "0xf92b4e383e97e4045a9bd130dae61cba46328fc2c795b7cf1a9e83f62e69701d",
    "signature": "0xc376d3f88baad8cc4070494b3f007666b6820d765d89c3b9102b7a66f5e44566212d3ddedae2010593013fb05905beb64df5f6ebfd1a5540ca790230bf6e2f771c",
    "signer": "0x9b1a9d02F213F5C768F11FC832194b5cB665E056",
    "userId": "418702748"
  }
}