{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "112337197",
    "entityType": "User",
    "nonce": "0x49e7fa04710a3e2b92bb6682125d099f401adc56bd95c0407c39895c9b726322",
    "signature": "0x681e544887441648f2ab3005ce476e88b06e5df789224e5cdf1fdeb0351cfe2950753b6c327c41f0d8e89b92a7eeedd081a42d6b6489288ea0f325f62b776eb11c",
    "signer": "0x44BAdCFCf42113CbB67f519e4efa576B336f9bf7",
    "userId": "136844578"
  }
}