{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "308558165",
    "entityType": "User",
    "nonce": "0x211e74960bdebeaf80a801bf8588e83db086100d2a1d80160203f213c9f83785",
    "signature": "0xab8b19d6ea34c79b8bdc6a45654891a7789486b9901475681ce593a97bca02316317806a37169da0ac4f78edd137d6a16dedaf681e9310ee57952496c9b48b001c",
    "signer": "0xb0bc7585AC84F169814851A3C22d8d92D133337F",
    "userId": "267657235"
  }
}