{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "146791",
    "entityType": "User",
    "nonce": "0x2d6e7af975cb6972814654a17bc0a6ec5785e9318ecfe7c86bc210641a7c7533",
    "signature": "0xc839126b79c0c71d79e0392980f66d1608db5bf1414ed32d79563c01b2c645ab06430d5ce42fdc214a8f7736b336f05e85a59fec4ff86eb5b8b1d4611dd52fe71c",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}