{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xf8a41a3e33afb29ae96df35f019896e447fc17202ccf456fcd0f6d7c3a67e85a",
    "signature": "0x930953f3c0dc3b472d07fc21e5813b27271141f27bcec9a9359dacad2398f934484f68cba8adbc0d41700d3d8232edb81e241333c8c63ae2a3383833f5d4d7071b",
    "signer": "0x582810fDE34ef7183A2AbDc4824EA3415C9f171a",
    "userId": "823048563"
  }
}