{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "44636",
    "entityType": "User",
    "nonce": "0xf0e3bdd84b8765e48a933426857cea857187adec5879c565801188dc4838b7cf",
    "signature": "0x7adac31254d31a50c36bd515b3caa71b7da0d3c571383ad019a8f6f88dc804606cb373a5b462c6f7eb2cbe80d720769d2be8eb2230603b210ca6a69b081dcbb71b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}