{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "463878785",
    "entityType": "User",
    "nonce": "0xbd565db00ab87a8b3f0db1947f661696f176329f423024dc001d0ac9a5e20554",
    "signature": "0x25ee511808db428b3ea916c4296e8152f8a94e23a188a92c196645ed149674e5215e7f5aa726a8931011eedda929baede829a7f6c99fcaf4f702c2a4fef203ad1b",
    "signer": "0x24844077bE6bb825c0548F36B4EFA030d05Ee1CD",
    "userId": "601282125"
  }
}