{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "319758166",
    "entityType": "User",
    "nonce": "0x03f3dba4e81a6faff622a2f98fbe6581c32ffb9bc0bdeeadc1e54f967cb2b5f2",
    "signature": "0x1a4383356c54bd09552efc09d3efbba777b40b6819037ddc79318bea1d198074012347e331c5ca0a03249b239ffe58ce894d6a00300c983db0c94aa1a489761a1b",
    "signer": "0x2ACda02e37Db2DC08f82aEFAB268F0610974bb3c",
    "userId": "416239376"
  }
}