{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "548409021",
    "entityType": "User",
    "nonce": "0x3cfbc9adf1aea66f42376ada19a13741c138772b25dc734be736d9c0f650e0c3",
    "signature": "0xf605c2a94cba827455e9cbfe01f10194e101a7b45d9009bf2cbc003ece8a802f15269ae7405d5dc53ca3fb148ebdf4adcfd977259dca12c7add5e522873a7d1d1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}