{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65806",
    "entityType": "User",
    "nonce": "0x02caa172475a4dd99b89f511d3013c4824c8e45592b8c8766483e780ff73a2c1",
    "signature": "0x06f6c1243a0180eaa838cbea902fd4df6098a8d3b74479c72e95b141e2300f1917edb84ed6a019f29ed8605ee884116947773e99028f3b65cb620946bf9cd7771c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}