{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xd6e79a50038eb2d5e1cbe79ceb07097755748eb3f59fad917a041572c3e812e7",
    "signature": "0xa5e4941ad07a499231a45fe91abc09b9bdff79a330a26715fa65c4743fee84920fd8d65b32242caad392165b9c3bcd4de5ba3b90530c06640b5000b6783b4dec1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}