{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "128010",
    "entityType": "User",
    "nonce": "0x3daef627f2fe0220226506580a2a27cfb0c43586b521d617ad1c489a1e3d4d8c",
    "signature": "0x670ae19fe027f55fe049a7f01987a29fc15adbf139aab7b7f6d84c4422fd6d5577926f92cbe0a0a6e7ea8062522612d1207c3ce5f6c44ce7b335ec56cbe17de81c",
    "signer": "0xA5fFfA5b8673Fb93490E3F9B0BeE58e1f0Ce1231",
    "userId": "508186998"
  }
}