{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0xb6839d8d2aeab631ee2a4500958ae38e34d8c656a7b8cb26d1d843a93f87b809",
    "signature": "0x01eba36fef23115fa9363242d1b065e15a5b7e44bc7d9135902a36eb22c7003766c1927b7f37847cf255035c22761e52a34c1d1fe9575212359f9d93d9a511911b",
    "signer": "0x63F3746711A3a89af8D7BD7D6bD8cD5f59c22673",
    "userId": "511280302"
  }
}