{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "283783333",
    "entityType": "User",
    "nonce": "0x8bc3c21519914d4cf75de9ae4da265bf0f1474ef996310e8a133a7e4a48b8f43",
    "signature": "0x50ddba9e1ab2c2fa01ec733c64c8cf352a3ab1ab7948df32ae6810652e848f517cc48859373aa14e7100566ad0308854dc66dbdeace4b51dd6b36033715bb4c91b",
    "signer": "0xd46e0A4ceB730dd31f91fE46110E754635a3cD85",
    "userId": "65014444"
  }
}