{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "970214396",
    "entityType": "User",
    "nonce": "0xdf0c3982b416b147a4b7bf6aaf093d649ce97f323b16cca1fa6b7f9ae74dfa21",
    "signature": "0xdf8fef0c0366a5705f3baf634285454429cdd7aaa3bea20d71f2ad94db21fe9807603a37aadf579503bfadce35cfab69019f28f4144bd51344e70a0d5b04464e1c",
    "signer": "0x7cb443E1D882339Ce2Db89944ef44929E8E2F578",
    "userId": "343301"
  }
}