{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50424",
    "entityType": "User",
    "nonce": "0x333c01722c56ed15a814957027c668098ba2e20d07f6f670bf7a120db744fb61",
    "signature": "0x83fa702ce62a156a7573dc97c725f20000d76851c985b7a8501128ac2759f2ae6314916e92c1c147b627db17c394f4dd1e8e730b357f40cabdb929e4f51df83e1c",
    "signer": "0xCe146265e280c19E5B68400a59f1a07B60408aEc",
    "userId": "554250826"
  }
}