{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x9a51a21bfd5688611bfd1bb254acc31c7e9e3bc0cb3492c97897930c5e9bafe9",
    "signature": "0xece93ad7121e3630159f3bdc3db04ae18f60187a414302af01861524bb297fe127d8393a7e843add441da7b196bd249918f8ba4d18f25414cf41ef585374ee371b",
    "signer": "0xaFC9fCe85449437CB3e6DEe6e0121e6B288b9019",
    "userId": "167888813"
  }
}