{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "428192787",
    "entityType": "User",
    "nonce": "0xf426e795d8fc9559749e71418c011e7404687a1d22d812c5c465d1176a843967",
    "signature": "0x17d2256c1d3c199b8ed2313ebcfccd917997a5e2f70990ae99cff8f353fef70e65fee0c0bafa809de573094b1945856c0885355a0608bc774fa624b5a1b5ef811b",
    "signer": "0x33c702d534707f8Cada5DdD521C5900827973f1D",
    "userId": "5642"
  }
}