{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "41804",
    "entityType": "User",
    "nonce": "0x83a6653bf11761aa839b8547b60920c679cccb2b530ad8316c82be07ca582db7",
    "signature": "0xa71a4e7d5cc4a26a178d732f23d43dbd1ce45d5f6288aa267e9e331a9fd43fa71c80ae20800755f1212ba09bd2f500429110ebbf9474a08d06949f6ccdd2ed051c",
    "signer": "0x6268f3F36E0fe8D3E139bC6d32d7539887721848",
    "userId": "418312750"
  }
}