{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "981716494",
    "entityType": "User",
    "nonce": "0x7e871f03370b20246bb149df95f8deaa80c0292ac142cb353a1781612e188c9e",
    "signature": "0xab581cf356f39cb61a5106e36a30cea029f93e032da5c8107697a732790236283d8e98db6483d3ef4b71273c1e8ba20653a384d85738389143e8c09963f1e3d51b",
    "signer": "0x38c65d779554649264FD5A23B412Dd6237e675c2",
    "userId": "839739705"
  }
}