{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "959011763",
    "entityType": "User",
    "nonce": "0x7d7900f79a1af6d21a62cc1e0436c2940995da5e98d2a3b238cb548ab1532c8a",
    "signature": "0xdcccbc33a52870c4ae83f8ebe402d55ba392b9f037defc6b60977825ab1ec2fe56fcbfd0eecce49017727b46d4639cba86d8c349c76bb17699f63d30b6a6384c1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}