{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "765901034",
    "entityType": "User",
    "nonce": "0x276d8a0688549c65e5952ae30a3822386b5dae3666a205880d93b6053708f8a3",
    "signature": "0x981d24bf9dedcb4a7de67b1e1e4bf4eb5317bbb58819f804825f1be91e20144a33feb135d97ba366a2b9c39a83ec7f6a6a38dce00666d26224fc83bb1a0852621c",
    "signer": "0x9369ae91F6A1cC4996D9126FD991d64e7E24c805",
    "userId": "333763354"
  }
}