{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "297598",
    "entityType": "User",
    "nonce": "0x429158b55f4ac24ec05f268ae44e5bafd0e291b5600ce228bc0fe04528c3a914",
    "signature": "0x36427081f38bdefa736c562686fa1f3245e641ce88db82e98657b5949730edc85a63ba9c4918af87076493a8c54e8d8d851b22aed7dd2a430e935bb73a2c83951c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}