{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "854498636",
    "entityType": "User",
    "nonce": "0xb31ba2a56d4d6a52df360af4ab7c25c9a46a28996972d5a465a7f29d9232ef24",
    "signature": "0x985e2c1caf69003e284c2550d6f82ce13ff4e4f93a0fb06fd6314f2b087d4ae25c39042b62de1bba011e122f9d05ee8c3066de4b5f4dcbc39f4fab1a5eee36451b",
    "signer": "0x793bbEFbb3Cf1e6529B90296e502145aCcCDE8d6",
    "userId": "838777725"
  }
}