{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "158838064",
    "entityType": "User",
    "nonce": "0x93e528c7e94cd846c2c841901b6781e30c07de73d35cef12dd9a84cdea0fa9a1",
    "signature": "0x2cd8930963656f6b4bd0dc20ba20312ec869927c658a6331931edc892bd6438b2f616bfd300a2e5cea67b232b1fbcd220467eac955e4be7d9836ce48d91407ed1b",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}