{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "60753512",
    "entityType": "User",
    "nonce": "0x9346db7bedd160472433fee92128aa59b9329c5544be7d5dd12ca8be4c24e98c",
    "signature": "0x45edb1058d165171bd0b6a11cbac522c979a4e35c5a1411515efb0635c355f554a075d6a6c8c10c5ee022c914c9186fe1dd52256e7b1510551d535f899326b801c",
    "signer": "0xe5223Dc6E411A24e22DcF917955e97a8D7479d0c",
    "userId": "981716494"
  }
}