{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x02862f9b3e164ef690d613a49be99d19886cbc989c2a4c484fbfd99ea83175a8",
    "signature": "0xec2afe297a4ca0c1e4a71480b8d74fa87ead46c8609f367600a1148f44683c90310cff153b3f93f4e71109a1e5cc87bb09fd3c7f2ba8b506036a4c3fe5cafd321b",
    "signer": "0x95f852A4bf72042104896ef4Ca53c0429CF8d4E1",
    "userId": "797583457"
  }
}