{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "378116426",
    "entityType": "User",
    "nonce": "0x95e343984c90eb2344a0c09480cb6a5f67dfbb3e673553c056c4a30bd0a3e8e8",
    "signature": "0x9c2ab86207f0ceb34ed51fae197252a3153646045d0ba6b09cf249a0adb249ff2c249adf696bcf8f0695dc951be8de4c8f48974683894ce23247ce0236f2bb0c1c",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}