{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "901763795",
    "entityType": "User",
    "nonce": "0xaaf64aa97ab1c3d07ad80ff13c60c2fd59089cb09ba1b8a93cdc793097eef589",
    "signature": "0x2f5a4cfe3a37c19a38eaf3f1d627a5a96efce8d80d3cf96fc4a6d015b8984e7720004d8d5e56f6d931dc54fc7fa721fb6bb531951ea364d7871a4e295626f3071b",
    "signer": "0x93E4197b96d4e725EEA66F2A6317358A652b3fe5",
    "userId": "358690598"
  }
}