{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "707937",
    "entityType": "User",
    "nonce": "0xe91a9b03f5808a4f7dfc43c065adcb4cbc7536baf092a496a738731ee912bc3c",
    "signature": "0x49808fc9117624de6bdea2e224be728cd7824d943dfee474e0fa8a190c90c40255549ef764a1853a3a2c5d507991ac0b67f17943c8fcbad2af73a2c49f0d49db1b",
    "signer": "0x75Da3C6dD4bBBbe11CB9AcF70B6cab12e8208989",
    "userId": "432267938"
  }
}