{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "53718",
    "entityType": "User",
    "nonce": "0xa8820b263fb6fb2aff4a15c7cd9696c92e28c5afc62897aad0f9989cd9a953cf",
    "signature": "0xac23001d197ccfe704da07ec0e7d00a95b9d955d06b27344540e65b9f2eff6b23a9a13a99c2fd66c2dfbf70d52f35118ca8a61667da99be2585e03c0a0e7d6be1b",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}