{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "780083254",
    "entityType": "User",
    "nonce": "0xe6f58e11e10e959b75a6b2e398d8b92a4d555add82cb779ffdc42b884f9a743a",
    "signature": "0xcf5e3465ff0cb12f1cc803e5b2bf204b7a0d86f68acabff891ea253f60503cdc40504d878d668a9140adecd2fce051e85dcf096dfc9c27c80f0aba9e52cb6b291c",
    "signer": "0x7C2169544c0568cB3b210f320356B6A77E891F30",
    "userId": "495616082"
  }
}