{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146164104",
    "entityType": "User",
    "nonce": "0x141250575acb47cee4c1dd8854e5c9f7bbee96b0a38c02c663ff8e7f00b41fe0",
    "signature": "0x6eddaa49bc57d56772f35a87361a6bcb25851a6953306db92b41c5107b6f8d8948a57719755b4dea5ab3ee57d441d4e7f4fc5c54f36fb71db8d64958547535a31b",
    "signer": "0x6CDDC7B674Dd0fbE8fB2850B79b97aA2A37Aa071",
    "userId": "218692613"
  }
}