{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xd4ca1b796ad75c50a200b59a57da7a5de80465613d787abe3cd7861ff6f32968",
    "signature": "0xb64a89730c41449d83d753d01a459ffe8f868343125c61d5cecf56ca23d4018457706d3bffd1ffe6723b80fe6752b47e8cbda49aec5f27665e84c7de3b6cd4d41b",
    "signer": "0x8Fdc72a7c49a158F9f6231a671DF624aef337e17",
    "userId": "905149747"
  }
}