{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "203753098",
    "entityType": "User",
    "nonce": "0x27c026159c3684f44c87abc883c92fc62b66378a00c65c7bc4450ca72a845216",
    "signature": "0xe841ac110c64811906c2190b6e2cd9c33702263bd444655201fd07493feb48d57303f5d213fbc0f076fd82e8e3053d9c4e6af8833f216d59416ae84190b877591c",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}