{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44142994",
    "entityType": "User",
    "nonce": "0x60762c55cb869cf33f56def88fb10407ddbef57e4b776b725219b036db055a41",
    "signature": "0x96f77165e145cdbe06bb4a3299196931018b89b65019c02e79f8bfd4d193536e62c7397dd19675824730b23153ed0c5e049d4258aa15844ca50627c1f0ff25601c",
    "signer": "0xC965eCf215DC75172bD11e8E1dbE76EDd838886e",
    "userId": "260849"
  }
}