{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "951995708",
    "entityType": "User",
    "nonce": "0x9f07930cbcc710a93723e071da904db3ac1d1378548db8a6231418ed1b8f465c",
    "signature": "0x1189d9d4e51f2054b1cd5b227482f42ccd143f0546198d1cd7eab61cf0763747065cb4a581bc6a4ce4fff0fc7d9e62614f84780516a4c8d7125560a61ec31ec71c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}