{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "50672",
    "entityType": "User",
    "nonce": "0xebd382a1dcf069cf4c4fd6386bb4cba3c84655935c979d0622b6f2ffa86bcd22",
    "signature": "0x959a6773c73154110ef6dd934c77c391c4753ce907d1b8332deef1253f1510377f2ec6887704669f68842eaced54ceef86013c81fb31abc0ba31814df9fb31511c",
    "signer": "0x07D88B6447585F78880146Aa4534A574447C9D3c",
    "userId": "193758733"
  }
}