{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "13589021",
    "entityType": "User",
    "nonce": "0xa916b6de1ad8b9d5d61569bbc4db3f7399bd39c962e0905bd71f9200a1a46d07",
    "signature": "0x137585fb845d1aaff36278e7a11d546959fac116f9e7be2498fccd5480294d4c3d571487f6f64d7ad4203d6ea5c45b432226d3cbabee907bc0e77c5c8d7a2bec1c",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}