{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "191130508",
    "entityType": "User",
    "nonce": "0x17f58feadfb40160f639c96ac655e2ec6c4a77c279b6bbba99f784e5559c9376",
    "signature": "0xedc39749cd29974189bb9bb01e8dfb11a11cafe6b41a0f132d283d02bc23659f207ecfb9d7d5d0c0d92f2e627055a01468454fc24dbcff27d75be3ce53bc8ebe1b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}