{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0xa83f4997a5d91dd9ac5c12987179d1d9d95f96c19cd037f88d81aa79e3abb739",
    "signature": "0xd98db07f6b162c953ba1254502949e54799b9051cc477ab544906674e958b09665eb1cf7e49907fd7709e471987aaad20e814912460c81e2f2e2f83efae998d11c",
    "signer": "0x734C2A225B77Ea74fB232211f2c7FD4Da7e0FF75",
    "userId": "686036046"
  }
}