{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "74667",
    "entityType": "User",
    "nonce": "0xee4a1b138b2bfb416c50cc516888aa21c8c484d350acf32ca9edc31ddf0dbd84",
    "signature": "0xcc39c9e05297e561fb4121c6de954c8b90ec281b56cb68b6515d650754b323784a822ccd2927a04f5e35d3d6cf9746374ae3ad52ad5afca6f89d47d7fd9a06401c",
    "signer": "0x31486898e68E355292Bd5aa0261Caf9AfD79dA6c",
    "userId": "199526646"
  }
}