{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "331997436",
    "entityType": "User",
    "nonce": "0xba74330bee1651562186312355f67441c61d98801c25d14366a3d75d1beb438e",
    "signature": "0x85045b34e988233eb25c44c987dda9faa7c5459ac1b27c1658a6f73ce687ddcd2f5fa1c2f3842f23d6e4ccd5d245fea96a358b07b988458ce9f29b4c13cc4f2c1b",
    "signer": "0x49368dB15B9A78dF090195AD4338818bfA70C88A",
    "userId": "381576190"
  }
}